78144413380 has 48 divisors (see below), whose sum is σ = 179413710336. Its totient is φ = 28353934080.

The previous prime is 78144413357. The next prime is 78144413407. The reversal of 78144413380 is 8331444187.

It is a super-2 number, since 2×78144413380² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288084 + ... + 489163.

It is an arithmetic number, because the mean of its divisors is an integer number (3737785632).

Almost surely, 2^78144413380 is an apocalyptic number.

It is an amenable number.

78144413380 is an abundant number, since it is smaller than the sum of its proper divisors (101269296956).

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

78144413380 is a wasteful number, since it uses less digits than its factorization.

78144413380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777724 (or 777722 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 78144413380 in words is "seventy-eight billion, one hundred forty-four million, four hundred thirteen thousand, three hundred eighty".