87149676 has 12 divisors (see below), whose sum is σ = 203349272. Its totient is φ = 29049888.

The previous prime is 87149651. The next prime is 87149687. The reversal of 87149676 is 67694178.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3631225 + ... + 3631248.

Almost surely, 2^87149676 is an apocalyptic number.

It is an amenable number.

87149676 is an abundant number, since it is smaller than the sum of its proper divisors (116199596).

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

87149676 is a wasteful number, since it uses less digits than its factorization.

87149676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7262480 (or 7262478 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The square root of 87149676 is about 9335.3990809178. The cubic root of 87149676 is about 443.3587244331.

The spelling of 87149676 in words is "eighty-seven million, one hundred forty-nine thousand, six hundred seventy-six".