80750386531979 has 4 divisors (see below), whose sum is σ = 80751321737976. Its totient is φ = 80749451325984.

The previous prime is 80750386531957. The next prime is 80750386532041. The reversal of 80750386531979 is 97913568305708.

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

It is a cyclic number.

It is not a de Polignac number, because 80750386531979 - 2⁸ = 80750386531723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80750386531909) 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, 467473469 + ... + 467646174.

It is an arithmetic number, because the mean of its divisors is an integer number (20187830434494).

Almost surely, 2^{80750386531979} is an apocalyptic number.

80750386531979 is a deficient number, since it is larger than the sum of its proper divisors (935205997).

80750386531979 is an equidigital number, since it uses as much as digits as its factorization.

80750386531979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935205996.

The product of its (nonzero) digits is 342921600, while the sum is 71.

The spelling of 80750386531979 in words is "eighty trillion, seven hundred fifty billion, three hundred eighty-six million, five hundred thirty-one thousand, nine hundred seventy-nine".