839897450485 has 16 divisors (see below), whose sum is σ = 1014247805760. Its totient is φ = 667672243200.

The previous prime is 839897450461. The next prime is 839897450489. The reversal of 839897450485 is 584054798938.

It is not a de Polignac number, because 839897450485 - 2²⁹ = 839360579573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (839897450489) 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, 4446210 + ... + 4631260.

It is an arithmetic number, because the mean of its divisors is an integer number (63390487860).

Almost surely, 2^839897450485 is an apocalyptic number.

It is an amenable number.

839897450485 is a deficient number, since it is larger than the sum of its proper divisors (174350355275).

839897450485 is a wasteful number, since it uses less digits than its factorization.

839897450485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190788.

The product of its (nonzero) digits is 348364800, while the sum is 70.

The spelling of 839897450485 in words is "eight hundred thirty-nine billion, eight hundred ninety-seven million, four hundred fifty thousand, four hundred eighty-five".