667882688862 has 32 divisors (see below), whose sum is σ = 1350085318560. Its totient is φ = 220247164800.

The previous prime is 667882688831. The next prime is 667882688887. The reversal of 667882688862 is 268886288766.

It is a congruent number.

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, 354889 + ... + 1209012.

It is an arithmetic number, because the mean of its divisors is an integer number (42190166205).

Almost surely, 2^667882688862 is an apocalyptic number.

667882688862 is an abundant number, since it is smaller than the sum of its proper divisors (682202629698).

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

667882688862 is a wasteful number, since it uses less digits than its factorization.

667882688862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564668.

The product of its digits is 1189085184, while the sum is 75.

The spelling of 667882688862 in words is "six hundred sixty-seven billion, eight hundred eighty-two million, six hundred eighty-eight thousand, eight hundred sixty-two".