855086401 has 16 divisors (see below), whose sum is σ = 929275200. Its totient is φ = 782134848.

The previous prime is 855086389. The next prime is 855086413. The reversal of 855086401 is 104680558.

It is an interprime number because it is at equal distance from previous prime (855086389) and next prime (855086413).

It is a cyclic number.

It is not a de Polignac number, because 855086401 - 2¹¹ = 855084353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855089401) 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, 974575 + ... + 975451.

It is an arithmetic number, because the mean of its divisors is an integer number (58079700).

Almost surely, 2^855086401 is an apocalyptic number.

It is an amenable number.

855086401 is a deficient number, since it is larger than the sum of its proper divisors (74188799).

855086401 is a wasteful number, since it uses less digits than its factorization.

855086401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 855086401 is about 29241.8604230305. The cubic root of 855086401 is about 949.1539655212.

The spelling of 855086401 in words is "eight hundred fifty-five million, eighty-six thousand, four hundred one".