80034470507791 has 4 divisors (see below), whose sum is σ = 80040019608432. Its totient is φ = 80028921407152.

The previous prime is 80034470507753. The next prime is 80034470507839. The reversal of 80034470507791 is 19770507443008.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80034470507791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80034470507711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2774528686 + ... + 2774557531.

It is an arithmetic number, because the mean of its divisors is an integer number (20010004902108).

Almost surely, 2^{80034470507791} is an apocalyptic number.

80034470507791 is a deficient number, since it is larger than the sum of its proper divisors (5549100641).

80034470507791 is a wasteful number, since it uses less digits than its factorization.

80034470507791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5549100640.

The product of its (nonzero) digits is 5927040, while the sum is 55.

The spelling of 80034470507791 in words is "eighty trillion, thirty-four billion, four hundred seventy million, five hundred seven thousand, seven hundred ninety-one".