80746533522 has 18 divisors (see below), whose sum is σ = 174953434773. Its totient is φ = 26915109312.

The previous prime is 80746533521. The next prime is 80746533533. The reversal of 80746533522 is 22533564708.

80746533522 is a `hidden beast` number, since 8 + 0 + 74 + 6 + 53 + 3 + 522 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 52124999481 + 28621534041 = 228309^2 + 169179^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=200931.

It is not an unprimeable number, because it can be changed into a prime (80746533521) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1172098 + ... + 1239074.

Almost surely, 2^80746533522 is an apocalyptic number.

80746533522 is an abundant number, since it is smaller than the sum of its proper divisors (94206901251).

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

80746533522 is an frugal number, since it uses more digits than its factorization.

80746533522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133962 (or 66982 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 80746533522 in words is "eighty billion, seven hundred forty-six million, five hundred thirty-three thousand, five hundred twenty-two".