87620922 has 24 divisors (see below), whose sum is σ = 191299680. Its totient is φ = 28983240.

The previous prime is 87620899. The next prime is 87620927. The reversal of 87620922 is 22902678.

87620922 is a `hidden beast` number, since 8 + 7 + 620 + 9 + 22 = 666.

It is not an unprimeable number, because it can be changed into a prime (87620927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16222 + ... + 20937.

It is an arithmetic number, because the mean of its divisors is an integer number (7970820).

Almost surely, 2^87620922 is an apocalyptic number.

87620922 is an abundant number, since it is smaller than the sum of its proper divisors (103678758).

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

87620922 is a wasteful number, since it uses less digits than its factorization.

87620922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37298 (or 37295 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 87620922 is about 9360.6047881534. The cubic root of 87620922 is about 444.1564155502.

The spelling of 87620922 in words is "eighty-seven million, six hundred twenty thousand, nine hundred twenty-two".