87437934 has 32 divisors (see below), whose sum is σ = 196321440. Its totient is φ = 28843776.

The previous prime is 87437899. The next prime is 87437951. The reversal of 87437934 is 43973478.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 87437934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3109 + ... + 13584.

It is an arithmetic number, because the mean of its divisors is an integer number (6135045).

Almost surely, 2^87437934 is an apocalyptic number.

87437934 is an abundant number, since it is smaller than the sum of its proper divisors (108883506).

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

87437934 is a wasteful number, since it uses less digits than its factorization.

87437934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16801 (or 16795 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 87437934 is about 9350.8253111691. The cubic root of 87437934 is about 443.8470071858.

The spelling of 87437934 in words is "eighty-seven million, four hundred thirty-seven thousand, nine hundred thirty-four".