47677666866 has 16 divisors (see below), whose sum is σ = 95363623488. Its totient is φ = 15891174000.

The previous prime is 47677666849. The next prime is 47677666871. The reversal of 47677666866 is 66866677674.

It is a self number, because there is not a number n which added to its sum of digits gives 47677666866.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269350 + ... + 409761.

It is an arithmetic number, because the mean of its divisors is an integer number (5960226468).

Almost surely, 2^47677666866 is an apocalyptic number.

47677666866 is an abundant number, since it is smaller than the sum of its proper divisors (47685956622).

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

47677666866 is a wasteful number, since it uses less digits than its factorization.

47677666866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690817.

The product of its digits is 512096256, while the sum is 69.

The spelling of 47677666866 in words is "forty-seven billion, six hundred seventy-seven million, six hundred sixty-six thousand, eight hundred sixty-six".