87570157 has 8 divisors (see below), whose sum is σ = 91078400. Its totient is φ = 84122064.

The previous prime is 87570113. The next prime is 87570163. The reversal of 87570157 is 75107578.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87570157 - 2⁷ = 87570029 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 (87570167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12057 + ... + 17902.

It is an arithmetic number, because the mean of its divisors is an integer number (11384800).

Almost surely, 2^87570157 is an apocalyptic number.

It is an amenable number.

87570157 is a deficient number, since it is larger than the sum of its proper divisors (3508243).

87570157 is a wasteful number, since it uses less digits than its factorization.

87570157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30075.

The product of its (nonzero) digits is 68600, while the sum is 40.

The square root of 87570157 is about 9357.8927649338. The cubic root of 87570157 is about 444.0706218995.

The spelling of 87570157 in words is "eighty-seven million, five hundred seventy thousand, one hundred fifty-seven".