87471388 has 12 divisors (see below), whose sum is σ = 153141520. Its totient is φ = 43716672.

The previous prime is 87471347. The next prime is 87471389. The reversal of 87471388 is 88317478.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87471389) 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, 12745 + ... + 18367.

Almost surely, 2^87471388 is an apocalyptic number.

It is an amenable number.

87471388 is a deficient number, since it is larger than the sum of its proper divisors (65670132).

87471388 is a wasteful number, since it uses less digits than its factorization.

87471388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9516 (or 9514 counting only the distinct ones).

The product of its digits is 301056, while the sum is 46.

The square root of 87471388 is about 9352.6139661594. The cubic root of 87471388 is about 443.9036056735.

The spelling of 87471388 in words is "eighty-seven million, four hundred seventy-one thousand, three hundred eighty-eight".