80675893 has 4 divisors (see below), whose sum is σ = 80782668. Its totient is φ = 80569120.

The previous prime is 80675879. The next prime is 80675899. The reversal of 80675893 is 39857608.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9998244 + 70677649 = 3162^2 + 8407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80675893 is a prime.

It is a super-2 number, since 2×80675893² = 13017199422694898, 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 (80675899) 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, 52246 + ... + 53767.

It is an arithmetic number, because the mean of its divisors is an integer number (20195667).

Almost surely, 2^80675893 is an apocalyptic number.

It is an amenable number.

80675893 is a deficient number, since it is larger than the sum of its proper divisors (106775).

80675893 is a wasteful number, since it uses less digits than its factorization.

80675893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106774.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 80675893 is about 8981.9760075387. The cubic root of 80675893 is about 432.0970093212.

The spelling of 80675893 in words is "eighty million, six hundred seventy-five thousand, eight hundred ninety-three".