977873378706 has 48 divisors (see below), whose sum is σ = 2436823731264. Its totient is φ = 277612818912.

The previous prime is 977873378687. The next prime is 977873378723. The reversal of 977873378706 is 607873378779.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24696460 + ... + 24736023.

It is an arithmetic number, because the mean of its divisors is an integer number (50767161068).

Almost surely, 2^977873378706 is an apocalyptic number.

977873378706 is an abundant number, since it is smaller than the sum of its proper divisors (1458950352558).

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

977873378706 is a wasteful number, since it uses less digits than its factorization.

977873378706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49432655 (or 49432652 counting only the distinct ones).

The product of its (nonzero) digits is 522764928, while the sum is 72.

The spelling of 977873378706 in words is "nine hundred seventy-seven billion, eight hundred seventy-three million, three hundred seventy-eight thousand, seven hundred six".