15377314345768 has 8 divisors (see below), whose sum is σ = 28832464398330. Its totient is φ = 7688657172880.

The previous prime is 15377314345649. The next prime is 15377314345769. The reversal of 15377314345768 is 86754341377351.

It can be written as a sum of positive squares in only one way, i.e., 15133951696644 + 243362649124 = 3890238^2 + 493318^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (15377314345769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961082146603 + ... + 961082146618.

Almost surely, 2^{15377314345768} is an apocalyptic number.

It is an amenable number.

15377314345768 is a deficient number, since it is larger than the sum of its proper divisors (13455150052562).

15377314345768 is a wasteful number, since it uses less digits than its factorization.

15377314345768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922164293227 (or 1922164293223 counting only the distinct ones).

The product of its digits is 177811200, while the sum is 64.

The spelling of 15377314345768 in words is "fifteen trillion, three hundred seventy-seven billion, three hundred fourteen million, three hundred forty-five thousand, seven hundred sixty-eight".