855070199 has 16 divisors (see below), whose sum is σ = 915768000. Its totient is φ = 795585024.

The previous prime is 855070193. The next prime is 855070207. The reversal of 855070199 is 991070558.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-855070199 is a prime.

It is a super-2 number, since 2×855070199² = 1462290090435799202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855070193) 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, 610502 + ... + 611900.

It is an arithmetic number, because the mean of its divisors is an integer number (57235500).

Almost surely, 2^855070199 is an apocalyptic number.

855070199 is a deficient number, since it is larger than the sum of its proper divisors (60697801).

855070199 is a wasteful number, since it uses less digits than its factorization.

855070199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802.

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 855070199 is about 29241.5833873612. The cubic root of 855070199 is about 949.1479706924.

The spelling of 855070199 in words is "eight hundred fifty-five million, seventy thousand, one hundred ninety-nine".