87433137 has 12 divisors (see below), whose sum is σ = 137773584. Its totient is φ = 52989720.

The previous prime is 87433127. The next prime is 87433139. The reversal of 87433137 is 73133478.

It is not a de Polignac number, because 87433137 - 2⁴ = 87433121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87433139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441483 + ... + 441680.

It is an arithmetic number, because the mean of its divisors is an integer number (11481132).

Almost surely, 2^87433137 is an apocalyptic number.

It is an amenable number.

87433137 is a deficient number, since it is larger than the sum of its proper divisors (50340447).

87433137 is a wasteful number, since it uses less digits than its factorization.

87433137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883180 (or 883177 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 87433137 is about 9350.5688062278. The cubic root of 87433137 is about 443.8388902929.

The spelling of 87433137 in words is "eighty-seven million, four hundred thirty-three thousand, one hundred thirty-seven".