80879460142 has 16 divisors (see below), whose sum is σ = 130833178560. Its totient is φ = 37277055072.

The previous prime is 80879460139. The next prime is 80879460163. The reversal of 80879460142 is 24106497808.

It is a happy number.

It is a super-2 number, since 2×80879460142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2144553 + ... + 2181940.

It is an arithmetic number, because the mean of its divisors is an integer number (8177073660).

Almost surely, 2^80879460142 is an apocalyptic number.

80879460142 is a deficient number, since it is larger than the sum of its proper divisors (49953718418).

80879460142 is a wasteful number, since it uses less digits than its factorization.

80879460142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327227.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 80879460142 in words is "eighty billion, eight hundred seventy-nine million, four hundred sixty thousand, one hundred forty-two".