80361873 has 12 divisors (see below), whose sum is σ = 122906628. Its totient is φ = 50423040.

The previous prime is 80361857. The next prime is 80361893. The reversal of 80361873 is 37816308.

It can be written as a sum of positive squares in 2 ways, for example, as 41835024 + 38526849 = 6468^2 + 6207^2 .

It is not a de Polignac number, because 80361873 - 2⁴ = 80361857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80361803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262468 + ... + 262773.

It is an arithmetic number, because the mean of its divisors is an integer number (10242219).

Almost surely, 2^80361873 is an apocalyptic number.

It is an amenable number.

80361873 is a deficient number, since it is larger than the sum of its proper divisors (42544755).

80361873 is a wasteful number, since it uses less digits than its factorization.

80361873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525264 (or 525261 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 80361873 is about 8964.4784008887. The cubic root of 80361873 is about 431.5356539712.

The spelling of 80361873 in words is "eighty million, three hundred sixty-one thousand, eight hundred seventy-three".