87357157 has 4 divisors (see below), whose sum is σ = 87642016. Its totient is φ = 87072300.

The previous prime is 87357139. The next prime is 87357167. The reversal of 87357157 is 75175378.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87357157 - 2¹⁵ = 87324389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87357167) 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, 141969 + ... + 142582.

It is an arithmetic number, because the mean of its divisors is an integer number (21910504).

Almost surely, 2^87357157 is an apocalyptic number.

It is an amenable number.

87357157 is a deficient number, since it is larger than the sum of its proper divisors (284859).

87357157 is a wasteful number, since it uses less digits than its factorization.

87357157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284858.

The product of its digits is 205800, while the sum is 43.

The square root of 87357157 is about 9346.5050687409. The cubic root of 87357157 is about 443.7102866794.

The spelling of 87357157 in words is "eighty-seven million, three hundred fifty-seven thousand, one hundred fifty-seven".