87439662 has 24 divisors (see below), whose sum is σ = 196470456. Its totient is φ = 29146392.

The previous prime is 87439643. The next prime is 87439673. The reversal of 87439662 is 26693478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89473 + ... + 90444.

It is an arithmetic number, because the mean of its divisors is an integer number (8186269).

Almost surely, 2^87439662 is an apocalyptic number.

87439662 is an abundant number, since it is smaller than the sum of its proper divisors (109030794).

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

87439662 is a wasteful number, since it uses less digits than its factorization.

87439662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179934 (or 179922 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 87439662 is about 9350.9177089738. The cubic root of 87439662 is about 443.8499310219.

The spelling of 87439662 in words is "eighty-seven million, four hundred thirty-nine thousand, six hundred sixty-two".