87157032 has 16 divisors (see below), whose sum is σ = 217892640. Its totient is φ = 29052336.

The previous prime is 87157019. The next prime is 87157033. The reversal of 87157032 is 23075178.

It is a junction number, because it is equal to n+sod(n) for n = 87156984 and 87157002.

It is not an unprimeable number, because it can be changed into a prime (87157033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1815748 + ... + 1815795.

It is an arithmetic number, because the mean of its divisors is an integer number (13618290).

Almost surely, 2^87157032 is an apocalyptic number.

It is an amenable number.

87157032 is an abundant number, since it is smaller than the sum of its proper divisors (130735608).

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

87157032 is a wasteful number, since it uses less digits than its factorization.

87157032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631552 (or 3631548 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 87157032 is about 9335.7930568324. The cubic root of 87157032 is about 443.3711982031.

The spelling of 87157032 in words is "eighty-seven million, one hundred fifty-seven thousand, thirty-two".