80473788631 has 4 divisors (see below), whose sum is σ = 80474494072. Its totient is φ = 80473083192.

The previous prime is 80473788623. The next prime is 80473788667. The reversal of 80473788631 is 13688737408.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 80473788631 - 2³ = 80473788623 is a prime.

It is a super-2 number, since 2×80473788631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80473488631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138060 + ... + 424273.

It is an arithmetic number, because the mean of its divisors is an integer number (20118623518).

Almost surely, 2^80473788631 is an apocalyptic number.

80473788631 is a deficient number, since it is larger than the sum of its proper divisors (705441).

80473788631 is a wasteful number, since it uses less digits than its factorization.

80473788631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705440.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 80473788631 in words is "eighty billion, four hundred seventy-three million, seven hundred eighty-eight thousand, six hundred thirty-one".