80874973 has 4 divisors (see below), whose sum is σ = 80955360. Its totient is φ = 80794588.

The previous prime is 80874949. The next prime is 80874977. The reversal of 80874973 is 37947808.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80874973 - 2⁹ = 80874461 is a prime.

It is a super-2 number, since 2×80874973² = 13081522515501458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80874977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38665 + ... + 40702.

It is an arithmetic number, because the mean of its divisors is an integer number (20238840).

Almost surely, 2^80874973 is an apocalyptic number.

It is an amenable number.

80874973 is a deficient number, since it is larger than the sum of its proper divisors (80387).

80874973 is a wasteful number, since it uses less digits than its factorization.

80874973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80386.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 80874973 is about 8993.0513731436. The cubic root of 80874973 is about 432.4521390009.

The spelling of 80874973 in words is "eighty million, eight hundred seventy-four thousand, nine hundred seventy-three".