80663087913 has 4 divisors (see below), whose sum is σ = 107550783888. Its totient is φ = 53775391940.

The previous prime is 80663087887. The next prime is 80663087969. The reversal of 80663087913 is 31978036608.

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 80663087913 - 2¹² = 80663083817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80663787913) 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, 13443847983 + ... + 13443847988.

It is an arithmetic number, because the mean of its divisors is an integer number (26887695972).

Almost surely, 2^80663087913 is an apocalyptic number.

It is an amenable number.

80663087913 is a deficient number, since it is larger than the sum of its proper divisors (26887695975).

80663087913 is a wasteful number, since it uses less digits than its factorization.

80663087913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26887695974.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 80663087913 in words is "eighty billion, six hundred sixty-three million, eighty-seven thousand, nine hundred thirteen".