80762879 has 4 divisors (see below), whose sum is σ = 81595584. Its totient is φ = 79930176.

The previous prime is 80762861. The next prime is 80762921. The reversal of 80762879 is 97826708.

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

It is a cyclic number.

It is not a de Polignac number, because 80762879 - 2⁸ = 80762623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80762809) 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 3 ways as a sum of consecutive naturals, for example, 416207 + ... + 416400.

It is an arithmetic number, because the mean of its divisors is an integer number (20398896).

Almost surely, 2^80762879 is an apocalyptic number.

80762879 is a deficient number, since it is larger than the sum of its proper divisors (832705).

80762879 is an equidigital number, since it uses as much as digits as its factorization.

80762879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832704.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 80762879 is about 8986.8169559639. The cubic root of 80762879 is about 432.2522514404.

The spelling of 80762879 in words is "eighty million, seven hundred sixty-two thousand, eight hundred seventy-nine".