87566701 has 8 divisors (see below), whose sum is σ = 88470144. Its totient is φ = 86667360.

The previous prime is 87566683. The next prime is 87566707. The reversal of 87566701 is 10766578.

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 87566701 - 2⁵ = 87566669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87566707) 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, 58306 + ... + 59788.

It is an arithmetic number, because the mean of its divisors is an integer number (11058768).

Almost surely, 2^87566701 is an apocalyptic number.

It is an amenable number.

87566701 is a deficient number, since it is larger than the sum of its proper divisors (903443).

87566701 is a wasteful number, since it uses less digits than its factorization.

87566701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 87566701 is about 9357.7081061551. The cubic root of 87566701 is about 444.0647799997.

It can be divided in two parts, 875 and 66701, that added together give a palindrome (67576).

The spelling of 87566701 in words is "eighty-seven million, five hundred sixty-six thousand, seven hundred one".