80514776790 has 192 divisors, whose sum is σ = 252846947520. Its totient is φ = 18403132608.

The previous prime is 80514776773. The next prime is 80514776821. The reversal of 80514776790 is 9767741508.

80514776790 is a `hidden beast` number, since 80 + 5 + 1 + 477 + 6 + 7 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 1034064 + ... + 1109196.

It is an arithmetic number, because the mean of its divisors is an integer number (1316911185).

Almost surely, 2^80514776790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80514776790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126423473760).

80514776790 is an abundant number, since it is smaller than the sum of its proper divisors (172332170730).

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

80514776790 is an equidigital number, since it uses as much as digits as its factorization.

80514776790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75175 (or 75150 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 80514776790 in words is "eighty billion, five hundred fourteen million, seven hundred seventy-six thousand, seven hundred ninety".