65879431142 has 32 divisors (see below), whose sum is σ = 118685943552. Its totient is φ = 26832091104.

The previous prime is 65879431141. The next prime is 65879431147. The reversal of 65879431142 is 24113497856.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65879431141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1456568 + ... + 1501115.

It is an arithmetic number, because the mean of its divisors is an integer number (3708935736).

Almost surely, 2^65879431142 is an apocalyptic number.

65879431142 is a deficient number, since it is larger than the sum of its proper divisors (52806512410).

65879431142 is a wasteful number, since it uses less digits than its factorization.

65879431142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957772.

The product of its digits is 1451520, while the sum is 50.

The spelling of 65879431142 in words is "sixty-five billion, eight hundred seventy-nine million, four hundred thirty-one thousand, one hundred forty-two".