8157500880 has 40 divisors (see below), whose sum is σ = 25288253472. Its totient is φ = 2175333504.

The previous prime is 8157500861. The next prime is 8157500899. The reversal of 8157500880 is 880057518.

It is an interprime number because it is at equal distance from previous prime (8157500861) and next prime (8157500899).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16994554 + ... + 16995033.

Almost surely, 2^8157500880 is an apocalyptic number.

8157500880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8157500880 is an abundant number, since it is smaller than the sum of its proper divisors (17130752592).

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

8157500880 is a wasteful number, since it uses less digits than its factorization.

8157500880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33989603 (or 33989597 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 42.

The square root of 8157500880 is about 90318.8844040935. The cubic root of 8157500880 is about 2013.0398694625.

The spelling of 8157500880 in words is "eight billion, one hundred fifty-seven million, five hundred thousand, eight hundred eighty".