853729387 has 16 divisors (see below), whose sum is σ = 1024883712. Its totient is φ = 695296800.

The previous prime is 853729381. The next prime is 853729399. The reversal of 853729387 is 783927358.

853729387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 853729387 - 2²⁷ = 719511659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853729381) 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, 6753 + ... + 41869.

It is an arithmetic number, because the mean of its divisors is an integer number (64055232).

Almost surely, 2^853729387 is an apocalyptic number.

853729387 is a deficient number, since it is larger than the sum of its proper divisors (171154325).

853729387 is a wasteful number, since it uses less digits than its factorization.

853729387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35298.

The product of its digits is 2540160, while the sum is 52.

The square root of 853729387 is about 29218.6479324420. The cubic root of 853729387 is about 948.6516002338.

The spelling of 853729387 in words is "eight hundred fifty-three million, seven hundred twenty-nine thousand, three hundred eighty-seven".