80072872142 has 4 divisors (see below), whose sum is σ = 120109308216. Its totient is φ = 40036436070.

The previous prime is 80072872111. The next prime is 80072872183. The reversal of 80072872142 is 24127827008.

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

It is a self number, because there is not a number n which added to its sum of digits gives 80072872142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20018218034 + ... + 20018218037.

It is an arithmetic number, because the mean of its divisors is an integer number (30027327054).

Almost surely, 2^80072872142 is an apocalyptic number.

80072872142 is a deficient number, since it is larger than the sum of its proper divisors (40036436074).

80072872142 is a wasteful number, since it uses less digits than its factorization.

80072872142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40036436073.

The product of its (nonzero) digits is 100352, while the sum is 41.

The spelling of 80072872142 in words is "eighty billion, seventy-two million, eight hundred seventy-two thousand, one hundred forty-two".