839457883402 has 8 divisors (see below), whose sum is σ = 1289898699012. Its totient is φ = 409491650400.

The previous prime is 839457883399. The next prime is 839457883423. The reversal of 839457883402 is 204388754938.

It can be written as a sum of positive squares in 2 ways, for example, as 822157479441 + 17300403961 = 906729^2 + 131531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5118645549 + ... + 5118645712.

Almost surely, 2^839457883402 is an apocalyptic number.

839457883402 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

839457883402 is a deficient number, since it is larger than the sum of its proper divisors (450440815610).

839457883402 is a wasteful number, since it uses less digits than its factorization.

839457883402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10237291304.

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 839457883402 in words is "eight hundred thirty-nine billion, four hundred fifty-seven million, eight hundred eighty-three thousand, four hundred two".