87084964 has 12 divisors (see below), whose sum is σ = 152993484. Its totient is φ = 43372544.

The previous prime is 87084947. The next prime is 87084967. The reversal of 87084964 is 46948078.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 79566400 + 7518564 = 8920^2 + 2742^2 .

It is not an unprimeable number, because it can be changed into a prime (87084967) 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 3 ways as a sum of consecutive naturals, for example, 41329 + ... + 43384.

It is an arithmetic number, because the mean of its divisors is an integer number (12749457).

Almost surely, 2^87084964 is an apocalyptic number.

It is an amenable number.

87084964 is a deficient number, since it is larger than the sum of its proper divisors (65908520).

87084964 is a wasteful number, since it uses less digits than its factorization.

87084964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84974 (or 84972 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 87084964 is about 9331.9324901116. The cubic root of 87084964 is about 443.2489602691.

The spelling of 87084964 in words is "eighty-seven million, eighty-four thousand, nine hundred sixty-four".