87670772 has 12 divisors (see below), whose sum is σ = 175341600. Its totient is φ = 37573176.

The previous prime is 87670763. The next prime is 87670861. The reversal of 87670772 is 27707678.

87670772 is an admirable number.

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, 1565522 + ... + 1565577.

It is an arithmetic number, because the mean of its divisors is an integer number (14611800).

Almost surely, 2^87670772 is an apocalyptic number.

It is an amenable number.

87670772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87670772 is a wasteful number, since it uses less digits than its factorization.

87670772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131110 (or 3131108 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 44.

The square root of 87670772 is about 9363.2671648309. The cubic root of 87670772 is about 444.2406305954.

The spelling of 87670772 in words is "eighty-seven million, six hundred seventy thousand, seven hundred seventy-two".