80085737 has 6 divisors (see below), whose sum is σ = 81993402. Its totient is φ = 78221472.

The previous prime is 80085721. The next prime is 80085739. The reversal of 80085737 is 73758008.

It can be written as a sum of positive squares in only one way, i.e., 79995136 + 90601 = 8944^2 + 301^2 .

It is not a de Polignac number, because 80085737 - 2⁴ = 80085721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80085737.

It is not an unprimeable number, because it can be changed into a prime (80085739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19808 + ... + 23505.

It is an arithmetic number, because the mean of its divisors is an integer number (13665567).

Almost surely, 2^80085737 is an apocalyptic number.

It is an amenable number.

80085737 is a deficient number, since it is larger than the sum of its proper divisors (1907665).

80085737 is an equidigital number, since it uses as much as digits as its factorization.

80085737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43399 (or 43356 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 80085737 is about 8949.0634705538. The cubic root of 80085737 is about 431.0408120224.

The spelling of 80085737 in words is "eighty million, eighty-five thousand, seven hundred thirty-seven".