80519591227 has 4 divisors (see below), whose sum is σ = 81622599400. Its totient is φ = 79416583056.

The previous prime is 80519591171. The next prime is 80519591261. The reversal of 80519591227 is 72219591508.

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-80519591227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80519591287) 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, 551503977 + ... + 551504122.

It is an arithmetic number, because the mean of its divisors is an integer number (20405649850).

Almost surely, 2^80519591227 is an apocalyptic number.

80519591227 is a deficient number, since it is larger than the sum of its proper divisors (1103008173).

80519591227 is a wasteful number, since it uses less digits than its factorization.

80519591227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103008172.

The product of its (nonzero) digits is 453600, while the sum is 49.

The spelling of 80519591227 in words is "eighty billion, five hundred nineteen million, five hundred ninety-one thousand, two hundred twenty-seven".