80699535938859 has 8 divisors (see below), whose sum is σ = 107599515611712. Its totient is φ = 53799623445960.

The previous prime is 80699535938843. The next prime is 80699535938873. The reversal of 80699535938859 is 95883953599608.

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

It is not a de Polignac number, because 80699535938859 - 2⁴ = 80699535938843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80699535938759) 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, 13921869 + ... + 18847214.

It is an arithmetic number, because the mean of its divisors is an integer number (13449939451464).

Almost surely, 2^{80699535938859} is an apocalyptic number.

80699535938859 is a deficient number, since it is larger than the sum of its proper divisors (26899979672853).

80699535938859 is a wasteful number, since it uses less digits than its factorization.

80699535938859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33589977.

The product of its (nonzero) digits is 22674816000, while the sum is 87.

The spelling of 80699535938859 in words is "eighty trillion, six hundred ninety-nine billion, five hundred thirty-five million, nine hundred thirty-eight thousand, eight hundred fifty-nine".