39677742666 has 24 divisors (see below), whose sum is σ = 87179268384. Its totient is φ = 13039633320.

The previous prime is 39677742659. The next prime is 39677742683. The reversal of 39677742666 is 66624777693.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15522096 + ... + 15524651.

It is an arithmetic number, because the mean of its divisors is an integer number (3632469516).

Almost surely, 2^39677742666 is an apocalyptic number.

39677742666 is an abundant number, since it is smaller than the sum of its proper divisors (47501525718).

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

39677742666 is a wasteful number, since it uses less digits than its factorization.

39677742666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31046826 (or 31046823 counting only the distinct ones).

The product of its digits is 96018048, while the sum is 63.

The spelling of 39677742666 in words is "thirty-nine billion, six hundred seventy-seven million, seven hundred forty-two thousand, six hundred sixty-six".