8297557928 has 32 divisors (see below), whose sum is σ = 16977060000. Its totient is φ = 3770554560.

The previous prime is 8297557903. The next prime is 8297557937.

It is a happy number.

8297557928 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360098 + ... + 382446.

It is an arithmetic number, because the mean of its divisors is an integer number (530533125).

Almost surely, 2^8297557928 is an apocalyptic number.

8297557928 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8297557928 is an abundant number, since it is smaller than the sum of its proper divisors (8679502072).

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

8297557928 is a wasteful number, since it uses less digits than its factorization.

8297557928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26585 (or 26581 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 62.

The square root of 8297557928 is about 91090.9321941542. The cubic root of 8297557928 is about 2024.4952603118.

The spelling of 8297557928 in words is "eight billion, two hundred ninety-seven million, five hundred fifty-seven thousand, nine hundred twenty-eight".