8277789072 has 120 divisors (see below), whose sum is σ = 24600427456. Its totient is φ = 2349563904.

The previous prime is 8277789061. The next prime is 8277789077. The reversal of 8277789072 is 2709877728.

It is not an unprimeable number, because it can be changed into a prime (8277789077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22192278 + ... + 22192650.

Almost surely, 2^8277789072 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 8277789072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12300213728).

8277789072 is an abundant number, since it is smaller than the sum of its proper divisors (16322638384).

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

8277789072 is a wasteful number, since it uses less digits than its factorization.

8277789072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 57.

The square root of 8277789072 is about 90982.3558279296. The cubic root of 8277789072 is about 2022.8862012875.

The spelling of 8277789072 in words is "eight billion, two hundred seventy-seven million, seven hundred eighty-nine thousand, seventy-two".