80790539 has 2 divisors, whose sum is σ = 80790540. Its totient is φ = 80790538.

The previous prime is 80790503. The next prime is 80790547. The reversal of 80790539 is 93509708.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80790539 - 2¹² = 80786443 is a prime.

It is a super-2 number, since 2×80790539² = 13054222383821042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80790496 and 80790505.

It is not a weakly prime, because it can be changed into another prime (80790569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40395269 + 40395270.

It is an arithmetic number, because the mean of its divisors is an integer number (40395270).

Almost surely, 2^80790539 is an apocalyptic number.

80790539 is a deficient number, since it is larger than the sum of its proper divisors (1).

80790539 is an equidigital number, since it uses as much as digits as its factorization.

80790539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 80790539 is about 8988.3557450737. The cubic root of 80790539 is about 432.3015923123.

The spelling of 80790539 in words is "eighty million, seven hundred ninety thousand, five hundred thirty-nine".