87836464 has 20 divisors (see below), whose sum is σ = 172725304. Its totient is φ = 43262208.

The previous prime is 87836461. The next prime is 87836479. The reversal of 87836464 is 46463878.

It is not an unprimeable number, because it can be changed into a prime (87836461) 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, 39897 + ... + 42040.

Almost surely, 2^87836464 is an apocalyptic number.

It is an amenable number.

87836464 is a deficient number, since it is larger than the sum of its proper divisors (84888840).

87836464 is a wasteful number, since it uses less digits than its factorization.

87836464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82012 (or 82006 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The square root of 87836464 is about 9372.1109681864. The cubic root of 87836464 is about 444.5203163433.

The spelling of 87836464 in words is "eighty-seven million, eight hundred thirty-six thousand, four hundred sixty-four".