855734731 has 4 divisors (see below), whose sum is σ = 866044872. Its totient is φ = 845424592.

The previous prime is 855734723. The next prime is 855734771. The reversal of 855734731 is 137437558.

855734731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 855734731 - 2³ = 855734723 is a prime.

It is a super-2 number, since 2×855734731² = 1464563859679284722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855734771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5154946 + ... + 5155111.

It is an arithmetic number, because the mean of its divisors is an integer number (216511218).

Almost surely, 2^855734731 is an apocalyptic number.

855734731 is a deficient number, since it is larger than the sum of its proper divisors (10310141).

855734731 is a wasteful number, since it uses less digits than its factorization.

855734731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10310140.

The product of its digits is 352800, while the sum is 43.

The square root of 855734731 is about 29252.9439715048. The cubic root of 855734731 is about 949.3937890568.

The spelling of 855734731 in words is "eight hundred fifty-five million, seven hundred thirty-four thousand, seven hundred thirty-one".