80773139663 has 16 divisors (see below), whose sum is σ = 86051750400. Its totient is φ = 75598712640.

The previous prime is 80773139647. The next prime is 80773139677. The reversal of 80773139663 is 36693137708.

It is a cyclic number.

It is not a de Polignac number, because 80773139663 - 2⁴ = 80773139647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80773139263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2062220 + ... + 2101022.

It is an arithmetic number, because the mean of its divisors is an integer number (5378234400).

Almost surely, 2^80773139663 is an apocalyptic number.

80773139663 is a deficient number, since it is larger than the sum of its proper divisors (5278610737).

80773139663 is a wasteful number, since it uses less digits than its factorization.

80773139663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40142.

The product of its (nonzero) digits is 3429216, while the sum is 53.

The spelling of 80773139663 in words is "eighty billion, seven hundred seventy-three million, one hundred thirty-nine thousand, six hundred sixty-three".