87767666 has 8 divisors (see below), whose sum is σ = 150458880. Its totient is φ = 37614708.

The previous prime is 87767623. The next prime is 87767689. The reversal of 87767666 is 66676778.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3134546 + ... + 3134573.

It is an arithmetic number, because the mean of its divisors is an integer number (18807360).

Almost surely, 2^87767666 is an apocalyptic number.

87767666 is a deficient number, since it is larger than the sum of its proper divisors (62691214).

87767666 is a wasteful number, since it uses less digits than its factorization.

87767666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6269128.

The product of its digits is 3556224, while the sum is 53.

The square root of 87767666 is about 9368.4398914654. The cubic root of 87767666 is about 444.4042290325.

The spelling of 87767666 in words is "eighty-seven million, seven hundred sixty-seven thousand, six hundred sixty-six".