80707797 has 6 divisors (see below), whose sum is σ = 116577942. Its totient is φ = 53805192.

The previous prime is 80707777. The next prime is 80707799. The reversal of 80707797 is 79770708.

It can be written as a sum of positive squares in only one way, i.e., 44635761 + 36072036 = 6681^2 + 6006^2 .

It is not a de Polignac number, because 80707797 - 2⁶ = 80707733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80707799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4483758 + ... + 4483775.

It is an arithmetic number, because the mean of its divisors is an integer number (19429657).

Almost surely, 2^80707797 is an apocalyptic number.

It is an amenable number.

80707797 is a deficient number, since it is larger than the sum of its proper divisors (35870145).

80707797 is a wasteful number, since it uses less digits than its factorization.

80707797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8967539 (or 8967536 counting only the distinct ones).

The product of its (nonzero) digits is 172872, while the sum is 45.

The square root of 80707797 is about 8983.7518331708. The cubic root of 80707797 is about 432.1539606841.

The spelling of 80707797 in words is "eighty million, seven hundred seven thousand, seven hundred ninety-seven".