87604577 has 8 divisors (see below), whose sum is σ = 91083552. Its totient is φ = 84189600.

The previous prime is 87604571. The next prime is 87604589. The reversal of 87604577 is 77540678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87604577 - 2¹² = 87600481 is a prime.

It is a super-2 number, since 2×87604577² = 15349123822697858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87604571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13199 + ... + 18692.

It is an arithmetic number, because the mean of its divisors is an integer number (11385444).

Almost surely, 2^87604577 is an apocalyptic number.

It is an amenable number.

87604577 is a deficient number, since it is larger than the sum of its proper divisors (3478975).

87604577 is a wasteful number, since it uses less digits than its factorization.

87604577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31999.

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 87604577 is about 9359.7316735043. The cubic root of 87604577 is about 444.1287958603.

The spelling of 87604577 in words is "eighty-seven million, six hundred four thousand, five hundred seventy-seven".