977853358779 has 16 divisors (see below), whose sum is σ = 1422593829504. Its totient is φ = 592529369600.

The previous prime is 977853358771. The next prime is 977853358789.

977853358779 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 977853358779 - 2³ = 977853358771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (977853358771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2543469 + ... + 2902574.

It is an arithmetic number, because the mean of its divisors is an integer number (88912114344).

Almost surely, 2^977853358779 is an apocalyptic number.

977853358779 is a deficient number, since it is larger than the sum of its proper divisors (444740470725).

977853358779 is a wasteful number, since it uses less digits than its factorization.

977853358779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5451498.

The product of its digits is 2800526400, while the sum is 78.

The spelling of 977853358779 in words is "nine hundred seventy-seven billion, eight hundred fifty-three million, three hundred fifty-eight thousand, seven hundred seventy-nine".