4978924092 has 96 divisors (see below), whose sum is σ = 13507905600. Its totient is φ = 1584251136.

The previous prime is 4978924091. The next prime is 4978924099. The reversal of 4978924092 is 2904298794.

It is a super-2 number, since 2×4978924092² = 49579370227796048928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978924091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200034 + ... + 223542.

It is an arithmetic number, because the mean of its divisors is an integer number (140707350).

Almost surely, 2^4978924092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4978924092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6753952800).

4978924092 is an abundant number, since it is smaller than the sum of its proper divisors (8528981508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4978924092 is a wasteful number, since it uses less digits than its factorization.

4978924092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23612 (or 23604 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 4978924092 is about 70561.4915658676. The cubic root of 4978924092 is about 1707.5699432072.

The spelling of 4978924092 in words is "four billion, nine hundred seventy-eight million, nine hundred twenty-four thousand, ninety-two".