855437875 has 16 divisors (see below), whose sum is σ = 1130388480. Its totient is φ = 644092800.

The previous prime is 855437867. The next prime is 855437897. The reversal of 855437875 is 578734558.

It is a happy number.

It is not a de Polignac number, because 855437875 - 2³ = 855437867 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199155 + ... + 203404.

It is an arithmetic number, because the mean of its divisors is an integer number (70649280).

Almost surely, 2^855437875 is an apocalyptic number.

855437875 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

855437875 is a deficient number, since it is larger than the sum of its proper divisors (274950605).

855437875 is a wasteful number, since it uses less digits than its factorization.

855437875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402591 (or 402581 counting only the distinct ones).

The product of its digits is 4704000, while the sum is 52.

The square root of 855437875 is about 29247.8695805353. The cubic root of 855437875 is about 949.2839941916.

The spelling of 855437875 in words is "eight hundred fifty-five million, four hundred thirty-seven thousand, eight hundred seventy-five".