87938694 has 12 divisors (see below), whose sum is σ = 190533876. Its totient is φ = 29312892.

The previous prime is 87938657. The next prime is 87938791. The reversal of 87938694 is 49683978.

It is a self number, because there is not a number n which added to its sum of digits gives 87938694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2442724 + ... + 2442759.

It is an arithmetic number, because the mean of its divisors is an integer number (15877823).

Almost surely, 2^87938694 is an apocalyptic number.

87938694 is an abundant number, since it is smaller than the sum of its proper divisors (102595182).

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

87938694 is a wasteful number, since it uses less digits than its factorization.

87938694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4885491 (or 4885488 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 87938694 is about 9377.5633295649. The cubic root of 87938694 is about 444.6927037220.

The spelling of 87938694 in words is "eighty-seven million, nine hundred thirty-eight thousand, six hundred ninety-four".