7977356232 has 64 divisors (see below), whose sum is σ = 20644761600. Its totient is φ = 2566086720.

The previous prime is 7977356227. The next prime is 7977356243. The reversal of 7977356232 is 2326537797.

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, 252163 + ... + 282029.

It is an arithmetic number, because the mean of its divisors is an integer number (322574400).

Almost surely, 2^7977356232 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 7977356232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10322380800).

7977356232 is an abundant number, since it is smaller than the sum of its proper divisors (12667405368).

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

7977356232 is a wasteful number, since it uses less digits than its factorization.

7977356232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30266 (or 30262 counting only the distinct ones).

The product of its digits is 3333960, while the sum is 51.

The square root of 7977356232 is about 89316.0468896827. The cubic root of 7977356232 is about 1998.1112361805. Note that the first 3 decimals are identical.

The spelling of 7977356232 in words is "seven billion, nine hundred seventy-seven million, three hundred fifty-six thousand, two hundred thirty-two".