977401945611 has 48 divisors (see below), whose sum is σ = 1740290033664. Its totient is φ = 514755559872.

The previous prime is 977401945603. The next prime is 977401945613. The reversal of 977401945611 is 116549104779.

It is a happy number.

977401945611 is a `hidden beast` number, since 9 + 7 + 7 + 4 + 0 + 19 + 4 + 5 + 611 = 666.

It is not a de Polignac number, because 977401945611 - 2³ = 977401945603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (977401945613) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 392371 + ... + 1452156.

It is an arithmetic number, because the mean of its divisors is an integer number (36256042368).

Almost surely, 2^977401945611 is an apocalyptic number.

977401945611 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

977401945611 is a deficient number, since it is larger than the sum of its proper divisors (762888088053).

977401945611 is a wasteful number, since it uses less digits than its factorization.

977401945611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845200 (or 1845197 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 977401945611 in words is "nine hundred seventy-seven billion, four hundred one million, nine hundred forty-five thousand, six hundred eleven".