87474988 has 24 divisors (see below), whose sum is σ = 155930544. Its totient is φ = 42931200.

The previous prime is 87474983. The next prime is 87475033. The reversal of 87474988 is 88947478.

It is not an unprimeable number, because it can be changed into a prime (87474983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49968 + ... + 51688.

It is an arithmetic number, because the mean of its divisors is an integer number (6497106).

Almost surely, 2^87474988 is an apocalyptic number.

It is an amenable number.

87474988 is a deficient number, since it is larger than the sum of its proper divisors (68455556).

87474988 is a wasteful number, since it uses less digits than its factorization.

87474988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953 (or 1951 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 55.

The square root of 87474988 is about 9352.8064237426. The cubic root of 87474988 is about 443.9096954021.

The spelling of 87474988 in words is "eighty-seven million, four hundred seventy-four thousand, nine hundred eighty-eight".