977634396966 has 32 divisors (see below), whose sum is σ = 1964855773440. Its totient is φ = 324281726496.

The previous prime is 977634396913. The next prime is 977634396967. The reversal of 977634396966 is 669693436779.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977634396967) 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, 2586615 + ... + 2940381.

It is an arithmetic number, because the mean of its divisors is an integer number (61401742920).

Almost surely, 2^977634396966 is an apocalyptic number.

977634396966 is an abundant number, since it is smaller than the sum of its proper divisors (987221376474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

977634396966 is a wasteful number, since it uses less digits than its factorization.

977634396966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356028.

The product of its digits is 1666598976, while the sum is 75.

The spelling of 977634396966 in words is "nine hundred seventy-seven billion, six hundred thirty-four million, three hundred ninety-six thousand, nine hundred sixty-six".