87907028 has 12 divisors (see below), whose sum is σ = 167822592. Its totient is φ = 39957720.

The previous prime is 87906997. The next prime is 87907037. The reversal of 87907028 is 82070978.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998900 + ... + 998987.

It is an arithmetic number, because the mean of its divisors is an integer number (13985216).

Almost surely, 2^87907028 is an apocalyptic number.

It is an amenable number.

87907028 is a deficient number, since it is larger than the sum of its proper divisors (79915564).

87907028 is a wasteful number, since it uses less digits than its factorization.

87907028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997902 (or 1997900 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 87907028 is about 9375.8747858533. The cubic root of 87907028 is about 444.6393205862.

The spelling of 87907028 in words is "eighty-seven million, nine hundred seven thousand, twenty-eight".