87369136 has 20 divisors (see below), whose sum is σ = 173853952. Its totient is φ = 42503616.

The previous prime is 87369131. The next prime is 87369167. The reversal of 87369136 is 63196378.

It is a junction number, because it is equal to n+sod(n) for n = 87369092 and 87369101.

It is not an unprimeable number, because it can be changed into a prime (87369131) 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, 73200 + ... + 74383.

Almost surely, 2^87369136 is an apocalyptic number.

It is an amenable number.

87369136 is a deficient number, since it is larger than the sum of its proper divisors (86484816).

87369136 is a wasteful number, since it uses less digits than its factorization.

87369136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147628 (or 147622 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 87369136 is about 9347.1458745437. The cubic root of 87369136 is about 443.7305672638.

The spelling of 87369136 in words is "eighty-seven million, three hundred sixty-nine thousand, one hundred thirty-six".