78239119274 has 16 divisors (see below), whose sum is σ = 122499528768. Its totient is φ = 37407006912.

The previous prime is 78239119271. The next prime is 78239119289. The reversal of 78239119274 is 47291193287.

It is a super-2 number, since 2×78239119274² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78239119271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116372 + ... + 412335.

It is an arithmetic number, because the mean of its divisors is an integer number (7656220548).

Almost surely, 2^78239119274 is an apocalyptic number.

78239119274 is a deficient number, since it is larger than the sum of its proper divisors (44260409494).

78239119274 is a wasteful number, since it uses less digits than its factorization.

78239119274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531949.

The product of its digits is 1524096, while the sum is 53.

The spelling of 78239119274 in words is "seventy-eight billion, two hundred thirty-nine million, one hundred nineteen thousand, two hundred seventy-four".