977267662848 has 224 divisors, whose sum is σ = 2901138337920. Its totient is φ = 325113937920.

The previous prime is 977267662841. The next prime is 977267662879. The reversal of 977267662848 is 848266762779.

It is a super-2 number, since 2×977267662848² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (977267662841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119656461 + ... + 119664627.

Almost surely, 2^977267662848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 977267662848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1450569168960).

977267662848 is an abundant number, since it is smaller than the sum of its proper divisors (1923870675072).

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

977267662848 is an equidigital number, since it uses as much as digits as its factorization.

977267662848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8743 (or 8713 counting only the distinct ones).

The product of its digits is 682795008, while the sum is 72.

The spelling of 977267662848 in words is "nine hundred seventy-seven billion, two hundred sixty-seven million, six hundred sixty-two thousand, eight hundred forty-eight".