80000679 has 8 divisors (see below), whose sum is σ = 116364672. Its totient is φ = 48485240.

The previous prime is 80000639. The next prime is 80000681. The reversal of 80000679 is 97600008.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80000679 - 2⁷ = 80000551 is a prime.

It is a super-2 number, since 2×80000679² = 12800217280922082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80000639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212099 + ... + 1212164.

It is an arithmetic number, because the mean of its divisors is an integer number (14545584).

Almost surely, 2^80000679 is an apocalyptic number.

80000679 is a deficient number, since it is larger than the sum of its proper divisors (36363993).

80000679 is a wasteful number, since it uses less digits than its factorization.

80000679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424277.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 80000679 is about 8944.3098671725. The cubic root of 80000679 is about 430.8881570539. Note that the first 3 decimals are identical.

The spelling of 80000679 in words is "eighty million, six hundred seventy-nine", and thus it is an aban number.