80377845815 has 8 divisors (see below), whose sum is σ = 96763556448. Its totient is φ = 64095515680.

The previous prime is 80377845799. The next prime is 80377845883. The reversal of 80377845815 is 51854877308.

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

It is not a de Polignac number, because 80377845815 - 2⁴ = 80377845799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25843412 + ... + 25846521.

It is an arithmetic number, because the mean of its divisors is an integer number (12095444556).

Almost surely, 2^80377845815 is an apocalyptic number.

80377845815 is a deficient number, since it is larger than the sum of its proper divisors (16385710633).

80377845815 is a wasteful number, since it uses less digits than its factorization.

80377845815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51690249.

The product of its (nonzero) digits is 7526400, while the sum is 56.

The spelling of 80377845815 in words is "eighty billion, three hundred seventy-seven million, eight hundred forty-five thousand, eight hundred fifteen".