977695788048 has 320 divisors, whose sum is σ = 3159157800960. Its totient is φ = 254086963200.

The previous prime is 977695787869. The next prime is 977695788149. The reversal of 977695788048 is 840887596779.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 148560118 + ... + 148566698.

It is an arithmetic number, because the mean of its divisors is an integer number (9872368128).

Almost surely, 2^977695788048 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 977695788048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1579578900480).

977695788048 is an abundant number, since it is smaller than the sum of its proper divisors (2181462012912).

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

977695788048 is a wasteful number, since it uses less digits than its factorization.

977695788048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7486 (or 7480 counting only the distinct ones).

The product of its (nonzero) digits is 1706987520, while the sum is 78.

The spelling of 977695788048 in words is "nine hundred seventy-seven billion, six hundred ninety-five million, seven hundred eighty-eight thousand, forty-eight".