80356077577506 has 64 divisors (see below), whose sum is σ = 163143461795328. Its totient is φ = 26382130460928.

The previous prime is 80356077577493. The next prime is 80356077577543. The reversal of 80356077577506 is 60577577065308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1179712506 + ... + 1179780618.

It is an arithmetic number, because the mean of its divisors is an integer number (2549116590552).

Almost surely, 2^{80356077577506} is an apocalyptic number.

80356077577506 is an abundant number, since it is smaller than the sum of its proper divisors (82787384217822).

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

80356077577506 is a wasteful number, since it uses less digits than its factorization.

80356077577506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75375.

The product of its (nonzero) digits is 259308000, while the sum is 66.

The spelling of 80356077577506 in words is "eighty trillion, three hundred fifty-six billion, seventy-seven million, five hundred seventy-seven thousand, five hundred six".