87883140666 has 32 divisors (see below), whose sum is σ = 180569652480. Its totient is φ = 28494282816.

The previous prime is 87883140649. The next prime is 87883140671. The reversal of 87883140666 is 66604138878.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 724495 + ... + 837053.

It is an arithmetic number, because the mean of its divisors is an integer number (5642801640).

Almost surely, 2^87883140666 is an apocalyptic number.

87883140666 is an abundant number, since it is smaller than the sum of its proper divisors (92686511814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87883140666 is a wasteful number, since it uses less digits than its factorization.

87883140666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116118.

The product of its (nonzero) digits is 9289728, while the sum is 57.

The spelling of 87883140666 in words is "eighty-seven billion, eight hundred eighty-three million, one hundred forty thousand, six hundred sixty-six".