79431941784 has 64 divisors (see below), whose sum is σ = 213897529440. Its totient is φ = 24435763200.

The previous prime is 79431941773. The next prime is 79431941789. The reversal of 79431941784 is 48714913497.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79431941789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1756384 + ... + 1801040.

Almost surely, 2^79431941784 is an apocalyptic number.

It is an amenable number.

79431941784 is an abundant number, since it is smaller than the sum of its proper divisors (134465587656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79431941784 is a wasteful number, since it uses less digits than its factorization.

79431941784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50380 (or 50376 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 57.

The spelling of 79431941784 in words is "seventy-nine billion, four hundred thirty-one million, nine hundred forty-one thousand, seven hundred eighty-four".