39894972710 has 16 divisors (see below), whose sum is σ = 71990037792. Its totient is φ = 15918192000.

The previous prime is 39894972707. The next prime is 39894972721. The reversal of 39894972710 is 1727949893.

It is a self number, because there is not a number n which added to its sum of digits gives 39894972710.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4970426 + ... + 4978445.

It is an arithmetic number, because the mean of its divisors is an integer number (4499377362).

Almost surely, 2^39894972710 is an apocalyptic number.

39894972710 is a deficient number, since it is larger than the sum of its proper divisors (32095065082).

39894972710 is a wasteful number, since it uses less digits than its factorization.

39894972710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9949279.

The product of its (nonzero) digits is 6858432, while the sum is 59.

The spelling of 39894972710 in words is "thirty-nine billion, eight hundred ninety-four million, nine hundred seventy-two thousand, seven hundred ten".