80773731 has 36 divisors (see below), whose sum is σ = 126330360. Its totient is φ = 49593600.

The previous prime is 80773717. The next prime is 80773741. The reversal of 80773731 is 13737708.

It is a happy number.

It is not a de Polignac number, because 80773731 - 2¹⁷ = 80642659 is a prime.

It is a super-2 number, since 2×80773731² = 13048791239320722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80773741) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 287311 + ... + 287591.

Almost surely, 2^80773731 is an apocalyptic number.

80773731 is a deficient number, since it is larger than the sum of its proper divisors (45556629).

80773731 is a wasteful number, since it uses less digits than its factorization.

80773731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 80773731 is about 8987.4207089687. The cubic root of 80773731 is about 432.2716109589.

The spelling of 80773731 in words is "eighty million, seven hundred seventy-three thousand, seven hundred thirty-one".