855957299 has 8 divisors (see below), whose sum is σ = 860690880. Its totient is φ = 851232616.

The previous prime is 855957257. The next prime is 855957329. The reversal of 855957299 is 992759558.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-855957299 is a prime.

It is a super-2 number, since 2×855957299² = 1465325795422750802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855957209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289772 + ... + 292710.

It is an arithmetic number, because the mean of its divisors is an integer number (107586360).

Almost surely, 2^855957299 is an apocalyptic number.

855957299 is a deficient number, since it is larger than the sum of its proper divisors (4733581).

855957299 is a wasteful number, since it uses less digits than its factorization.

855957299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4449.

The product of its digits is 10206000, while the sum is 59.

The square root of 855957299 is about 29256.7479224879. The cubic root of 855957299 is about 949.4760911817.

The spelling of 855957299 in words is "eight hundred fifty-five million, nine hundred fifty-seven thousand, two hundred ninety-nine".