839472274938 has 16 divisors (see below), whose sum is σ = 1831575872736. Its totient is φ = 254385537840.

The previous prime is 839472274933. The next prime is 839472274961.

It is a happy number.

839472274938 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 12719276893 = 839472274938 / (8 + 3 + 9 + 4 + 7 + 2 + 2 + 7 + 4 + 9 + 3 + 8).

It is not an unprimeable number, because it can be changed into a prime (839472274933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6359638381 + ... + 6359638512.

It is an arithmetic number, because the mean of its divisors is an integer number (114473492046).

Almost surely, 2^839472274938 is an apocalyptic number.

839472274938 is an abundant number, since it is smaller than the sum of its proper divisors (992103597798).

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

839472274938 is a wasteful number, since it uses less digits than its factorization.

839472274938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12719276909.

The product of its digits is 146313216, while the sum is 66.

The spelling of 839472274938 in words is "eight hundred thirty-nine billion, four hundred seventy-two million, two hundred seventy-four thousand, nine hundred thirty-eight".