87944536 has 32 divisors (see below), whose sum is σ = 175271040. Its totient is φ = 41225728.

The previous prime is 87944533. The next prime is 87944537. The reversal of 87944536 is 63544978.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87944533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38745 + ... + 40951.

It is an arithmetic number, because the mean of its divisors is an integer number (5477220).

Almost surely, 2^87944536 is an apocalyptic number.

It is an amenable number.

87944536 is a deficient number, since it is larger than the sum of its proper divisors (87326504).

87944536 is a wasteful number, since it uses less digits than its factorization.

87944536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523 (or 2519 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 87944536 is about 9377.8748125575. The cubic root of 87944536 is about 444.7025508747.

The spelling of 87944536 in words is "eighty-seven million, nine hundred forty-four thousand, five hundred thirty-six".