80660442460431 has 4 divisors (see below), whose sum is σ = 107547256613912. Its totient is φ = 53773628306952.

The previous prime is 80660442460387. The next prime is 80660442460441. The reversal of 80660442460431 is 13406424406608.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 80660442460431 - 2¹¹ = 80660442458383 is a prime.

It is a super-2 number, since 2×80660442460431² (a number of 29 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 (80660442460441) 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, 13443407076736 + ... + 13443407076741.

It is an arithmetic number, because the mean of its divisors is an integer number (26886814153478).

Almost surely, 2^{80660442460431} is an apocalyptic number.

80660442460431 is a deficient number, since it is larger than the sum of its proper divisors (26886814153481).

80660442460431 is a wasteful number, since it uses less digits than its factorization.

80660442460431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26886814153480.

The product of its (nonzero) digits is 2654208, while the sum is 48.

The spelling of 80660442460431 in words is "eighty trillion, six hundred sixty billion, four hundred forty-two million, four hundred sixty thousand, four hundred thirty-one".