80557289698 has 8 divisors (see below), whose sum is σ = 120837726720. Its totient is φ = 40278047460.

The previous prime is 80557289647. The next prime is 80557289723. The reversal of 80557289698 is 89698275508.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105018 + ... + 414901.

It is an arithmetic number, because the mean of its divisors is an integer number (15104715840).

Almost surely, 2^80557289698 is an apocalyptic number.

80557289698 is a deficient number, since it is larger than the sum of its proper divisors (40280437022).

80557289698 is a wasteful number, since it uses less digits than its factorization.

80557289698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597392.

The product of its (nonzero) digits is 87091200, while the sum is 67.

The spelling of 80557289698 in words is "eighty billion, five hundred fifty-seven million, two hundred eighty-nine thousand, six hundred ninety-eight".