80779456954 has 192 divisors, whose sum is σ = 163393044480. Its totient is φ = 29647296000.

The previous prime is 80779456943. The next prime is 80779456981. The reversal of 80779456954 is 45965497708.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 187423119 + ... + 187423549.

It is an arithmetic number, because the mean of its divisors is an integer number (851005440).

Almost surely, 2^80779456954 is an apocalyptic number.

80779456954 is an abundant number, since it is smaller than the sum of its proper divisors (82613587526).

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

80779456954 is a wasteful number, since it uses less digits than its factorization.

80779456954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 64.

The spelling of 80779456954 in words is "eighty billion, seven hundred seventy-nine million, four hundred fifty-six thousand, nine hundred fifty-four".