87161476 has 6 divisors (see below), whose sum is σ = 152532590. Its totient is φ = 43580736.

The previous prime is 87161471. The next prime is 87161483. The reversal of 87161476 is 67416178.

It can be written as a sum of positive squares in only one way, i.e., 69722500 + 17438976 = 8350^2 + 4176^2 .

It is not an unprimeable number, because it can be changed into a prime (87161471) 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 as a sum of consecutive naturals, namely, 10895181 + ... + 10895188.

Almost surely, 2^87161476 is an apocalyptic number.

It is an amenable number.

87161476 is a deficient number, since it is larger than the sum of its proper divisors (65371114).

87161476 is a wasteful number, since it uses less digits than its factorization.

87161476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21790373 (or 21790371 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 87161476 is about 9336.0310625019. The cubic root of 87161476 is about 443.3787336750.

The spelling of 87161476 in words is "eighty-seven million, one hundred sixty-one thousand, four hundred seventy-six".