1077455978956 has 24 divisors (see below), whose sum is σ = 2281671485856. Its totient is φ = 434604092160.

The previous prime is 1077455978917. The next prime is 1077455978993. The reversal of 1077455978956 is 6598795547701.

It is a super-2 number, since 2×1077455978956² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131781015 + ... + 1131781966.

It is an arithmetic number, because the mean of its divisors is an integer number (95069645244).

Almost surely, 2^{1077455978956} is an apocalyptic number.

It is an amenable number.

1077455978956 is an abundant number, since it is smaller than the sum of its proper divisors (1204215506900).

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

1077455978956 is a wasteful number, since it uses less digits than its factorization.

1077455978956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263563009 (or 2263563007 counting only the distinct ones).

The product of its (nonzero) digits is 666792000, while the sum is 73.

The spelling of 1077455978956 in words is "one trillion, seventy-seven billion, four hundred fifty-five million, nine hundred seventy-eight thousand, nine hundred fifty-six".