87657122 has 16 divisors (see below), whose sum is σ = 152734272. Its totient is φ = 36951120.

The previous prime is 87657113. The next prime is 87657133. The reversal of 87657122 is 22175678.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50468 + ... + 52175.

It is an arithmetic number, because the mean of its divisors is an integer number (9545892).

Almost surely, 2^87657122 is an apocalyptic number.

87657122 is a deficient number, since it is larger than the sum of its proper divisors (65077150).

87657122 is a wasteful number, since it uses less digits than its factorization.

87657122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102713.

The product of its digits is 47040, while the sum is 38.

The square root of 87657122 is about 9362.5382242210. The cubic root of 87657122 is about 444.2175738829.

The spelling of 87657122 in words is "eighty-seven million, six hundred fifty-seven thousand, one hundred twenty-two".