87710672 has 20 divisors (see below), whose sum is σ = 194216736. Its totient is φ = 37590240.

The previous prime is 87710671. The next prime is 87710677. The reversal of 87710672 is 27601778.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87710671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391454 + ... + 391677.

Almost surely, 2^87710672 is an apocalyptic number.

It is an amenable number.

87710672 is an abundant number, since it is smaller than the sum of its proper divisors (106506064).

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

87710672 is a wasteful number, since it uses less digits than its factorization.

87710672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783146 (or 783140 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 87710672 is about 9365.3975889975. The cubic root of 87710672 is about 444.3080134204.

The spelling of 87710672 in words is "eighty-seven million, seven hundred ten thousand, six hundred seventy-two".