80476731 has 6 divisors (see below), whose sum is σ = 116244180. Its totient is φ = 53651148.

The previous prime is 80476703. The next prime is 80476757. The reversal of 80476731 is 13767408.

It is not a de Polignac number, because 80476731 - 2⁷ = 80476603 is a prime.

It is a super-2 number, since 2×80476731² = 12953008464892722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80471731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4470921 + ... + 4470938.

It is an arithmetic number, because the mean of its divisors is an integer number (19374030).

Almost surely, 2^80476731 is an apocalyptic number.

80476731 is a deficient number, since it is larger than the sum of its proper divisors (35767449).

80476731 is a wasteful number, since it uses less digits than its factorization.

80476731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8941865 (or 8941862 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 80476731 is about 8970.8823980699. The cubic root of 80476731 is about 431.7411482980.

The spelling of 80476731 in words is "eighty million, four hundred seventy-six thousand, seven hundred thirty-one".