87566662 has 8 divisors (see below), whose sum is σ = 134404776. Its totient is φ = 42765072.

The previous prime is 87566657. The next prime is 87566663. The reversal of 87566662 is 26666578.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87566663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509023 + ... + 509194.

It is an arithmetic number, because the mean of its divisors is an integer number (16800597).

Almost surely, 2^87566662 is an apocalyptic number.

87566662 is a deficient number, since it is larger than the sum of its proper divisors (46838114).

87566662 is a wasteful number, since it uses less digits than its factorization.

87566662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018262.

The product of its digits is 725760, while the sum is 46.

The square root of 87566662 is about 9357.7060223112. The cubic root of 87566662 is about 444.0647140746.

The spelling of 87566662 in words is "eighty-seven million, five hundred sixty-six thousand, six hundred sixty-two".