80865914379 has 8 divisors (see below), whose sum is σ = 107825480592. Its totient is φ = 53908478880.

The previous prime is 80865914329. The next prime is 80865914417. The reversal of 80865914379 is 97341956808.

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

It is not a de Polignac number, because 80865914379 - 2⁸ = 80865914123 is a prime.

It is a super-2 number, since 2×80865914379² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80865914329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441912 + ... + 597509.

It is an arithmetic number, because the mean of its divisors is an integer number (13478185074).

Almost surely, 2^80865914379 is an apocalyptic number.

80865914379 is a deficient number, since it is larger than the sum of its proper divisors (26959566213).

80865914379 is a wasteful number, since it uses less digits than its factorization.

80865914379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065357.

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 80865914379 in words is "eighty billion, eight hundred sixty-five million, nine hundred fourteen thousand, three hundred seventy-nine".