80757438711 has 4 divisors (see below), whose sum is σ = 107676584952. Its totient is φ = 53838292472.

The previous prime is 80757438611. The next prime is 80757438721. The reversal of 80757438711 is 11783475708.

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-80757438711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80757438721) 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, 13459573116 + ... + 13459573121.

It is an arithmetic number, because the mean of its divisors is an integer number (26919146238).

Almost surely, 2^80757438711 is an apocalyptic number.

80757438711 is a deficient number, since it is larger than the sum of its proper divisors (26919146241).

80757438711 is a wasteful number, since it uses less digits than its factorization.

80757438711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26919146240.

The product of its (nonzero) digits is 1317120, while the sum is 51.

The spelling of 80757438711 in words is "eighty billion, seven hundred fifty-seven million, four hundred thirty-eight thousand, seven hundred eleven".