80398298815 has 64 divisors (see below), whose sum is σ = 106995548160. Its totient is φ = 57741465600.

The previous prime is 80398298791. The next prime is 80398298837. The reversal of 80398298815 is 51889289308.

It is not a de Polignac number, because 80398298815 - 2²³ = 80389910207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37515634 + ... + 37517776.

It is an arithmetic number, because the mean of its divisors is an integer number (1671805440).

Almost surely, 2^80398298815 is an apocalyptic number.

80398298815 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

80398298815 is a deficient number, since it is larger than the sum of its proper divisors (26597249345).

80398298815 is a wasteful number, since it uses less digits than its factorization.

80398298815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432.

The product of its (nonzero) digits is 9953280, while the sum is 61.

The spelling of 80398298815 in words is "eighty billion, three hundred ninety-eight million, two hundred ninety-eight thousand, eight hundred fifteen".