87549996 has 12 divisors (see below), whose sum is σ = 204283352. Its totient is φ = 29183328.

The previous prime is 87549991. The next prime is 87549997. The reversal of 87549996 is 69994578.

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

It is not an unprimeable number, because it can be changed into a prime (87549991) 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, 3647905 + ... + 3647928.

Almost surely, 2^87549996 is an apocalyptic number.

It is an amenable number.

87549996 is an abundant number, since it is smaller than the sum of its proper divisors (116733356).

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

87549996 is a wasteful number, since it uses less digits than its factorization.

87549996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7295840 (or 7295838 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 57.

The square root of 87549996 is about 9356.8154839133. The cubic root of 87549996 is about 444.0365402928.

The spelling of 87549996 in words is "eighty-seven million, five hundred forty-nine thousand, nine hundred ninety-six".