80519658701 has 4 divisors (see below), whose sum is σ = 80593734912. Its totient is φ = 80445582492.

The previous prime is 80519658697. The next prime is 80519658707. The reversal of 80519658701 is 10785691508.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80519658701 - 2² = 80519658697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80519658701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80519658707) 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, 37036475 + ... + 37038648.

It is an arithmetic number, because the mean of its divisors is an integer number (20148433728).

Almost surely, 2^80519658701 is an apocalyptic number.

It is an amenable number.

80519658701 is a deficient number, since it is larger than the sum of its proper divisors (74076211).

80519658701 is a wasteful number, since it uses less digits than its factorization.

80519658701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74076210.

The product of its (nonzero) digits is 604800, while the sum is 50.

The spelling of 80519658701 in words is "eighty billion, five hundred nineteen million, six hundred fifty-eight thousand, seven hundred one".