39377677394 has 32 divisors (see below), whose sum is σ = 65178058752. Its totient is φ = 17693440000.

The previous prime is 39377677379. The next prime is 39377677411. The reversal of 39377677394 is 49377677393.

It is a self number, because there is not a number n which added to its sum of digits gives 39377677394.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1410479 + ... + 1438125.

It is an arithmetic number, because the mean of its divisors is an integer number (2036814336).

Almost surely, 2^39377677394 is an apocalyptic number.

39377677394 is a deficient number, since it is larger than the sum of its proper divisors (25800381358).

39377677394 is a wasteful number, since it uses less digits than its factorization.

39377677394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28402.

The product of its digits is 126023688, while the sum is 65.

Subtracting 39377677394 from its reverse (49377677393), we obtain a palindrome (9999999999).

The spelling of 39377677394 in words is "thirty-nine billion, three hundred seventy-seven million, six hundred seventy-seven thousand, three hundred ninety-four".