80790843530 has 8 divisors (see below), whose sum is σ = 145423518372. Its totient is φ = 32316337408.

The previous prime is 80790843527. The next prime is 80790843589. The reversal of 80790843530 is 3534809708.

It can be written as a sum of positive squares in 2 ways, for example, as 77935330561 + 2855512969 = 279169^2 + 53437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4039542167 + ... + 4039542186.

Almost surely, 2^80790843530 is an apocalyptic number.

80790843530 is a deficient number, since it is larger than the sum of its proper divisors (64632674842).

80790843530 is a wasteful number, since it uses less digits than its factorization.

80790843530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8079084360.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 80790843530 in words is "eighty billion, seven hundred ninety million, eight hundred forty-three thousand, five hundred thirty".