87579064 has 8 divisors (see below), whose sum is σ = 164210760. Its totient is φ = 43789528.

The previous prime is 87579059. The next prime is 87579091. The reversal of 87579064 is 46097578.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×87579064² = 15340184902232192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 5473684 + ... + 5473699.

It is an arithmetic number, because the mean of its divisors is an integer number (20526345).

Almost surely, 2^87579064 is an apocalyptic number.

It is an amenable number.

87579064 is a deficient number, since it is larger than the sum of its proper divisors (76631696).

87579064 is a wasteful number, since it uses less digits than its factorization.

87579064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10947389 (or 10947385 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 87579064 is about 9358.3686612572. The cubic root of 87579064 is about 444.0856772680.

The spelling of 87579064 in words is "eighty-seven million, five hundred seventy-nine thousand, sixty-four".