977357383753779 has 12 divisors (see below), whose sum is σ = 1613415363657136. Its totient is φ = 558489933573552.

The previous prime is 977357383753771. The next prime is 977357383753813.

977357383753779 is a `hidden beast` number, since 9 + 7 + 7 + 3 + 5 + 7 + 38 + 37 + 537 + 7 + 9 = 666.

977357383753779 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 977357383753779 - 2³ = 977357383753771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (977357383753771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7756804632904 + ... + 7756804633029.

Almost surely, 2^{977357383753779} is an apocalyptic number.

977357383753779 is a deficient number, since it is larger than the sum of its proper divisors (636057979903357).

977357383753779 is a wasteful number, since it uses less digits than its factorization.

977357383753779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15513609265946 (or 15513609265943 counting only the distinct ones).

The product of its digits is 154379017800, while the sum is 90.

The spelling of 977357383753779 in words is "nine hundred seventy-seven trillion, three hundred fifty-seven billion, three hundred eighty-three million, seven hundred fifty-three thousand, seven hundred seventy-nine".