88521157 has 4 divisors (see below), whose sum is σ = 88583616. Its totient is φ = 88458700.

The previous prime is 88521113. The next prime is 88521161. The reversal of 88521157 is 75112588.

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 88521157 - 2⁷ = 88521029 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 (88521757) 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, 29053 + ... + 31954.

It is an arithmetic number, because the mean of its divisors is an integer number (22145904).

Almost surely, 2^88521157 is an apocalyptic number.

It is an amenable number.

88521157 is a deficient number, since it is larger than the sum of its proper divisors (62459).

88521157 is a wasteful number, since it uses less digits than its factorization.

88521157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62458.

The product of its digits is 22400, while the sum is 37.

The square root of 88521157 is about 9408.5682757793. The cubic root of 88521157 is about 445.6723531500.

The spelling of 88521157 in words is "eighty-eight million, five hundred twenty-one thousand, one hundred fifty-seven".