80748299915566 has 8 divisors (see below), whose sum is σ = 121122554361624. Its totient is φ = 40374115128360.

The previous prime is 80748299915519. The next prime is 80748299915681. The reversal of 80748299915566 is 66551999284708.

It is a happy number.

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

It is a congruent number.

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, 14413260 + ... + 19215583.

It is an arithmetic number, because the mean of its divisors is an integer number (15140319295203).

Almost surely, 2^{80748299915566} is an apocalyptic number.

80748299915566 is a deficient number, since it is larger than the sum of its proper divisors (40374254446058).

80748299915566 is a wasteful number, since it uses less digits than its factorization.

80748299915566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34829426.

The product of its (nonzero) digits is 2351462400, while the sum is 79.

The spelling of 80748299915566 in words is "eighty trillion, seven hundred forty-eight billion, two hundred ninety-nine million, nine hundred fifteen thousand, five hundred sixty-six".