39664286075 has 6 divisors (see below), whose sum is σ = 49183714764. Its totient is φ = 31731428840.

The previous prime is 39664286063. The next prime is 39664286093. The reversal of 39664286075 is 57068246693.

It is a happy number.

It is not a de Polignac number, because 39664286075 - 2²⁰ = 39663237499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39664286075.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 793285697 + ... + 793285746.

It is an arithmetic number, because the mean of its divisors is an integer number (8197285794).

Almost surely, 2^39664286075 is an apocalyptic number.

39664286075 is a deficient number, since it is larger than the sum of its proper divisors (9519428689).

39664286075 is a wasteful number, since it uses less digits than its factorization.

39664286075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586571453 (or 1586571448 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 39664286075 in words is "thirty-nine billion, six hundred sixty-four million, two hundred eighty-six thousand, seventy-five".