854611863 has 16 divisors (see below), whose sum is σ = 1303576320. Its totient is φ = 487858176.

The previous prime is 854611861. The next prime is 854611969. The reversal of 854611863 is 368116458.

It is not a de Polignac number, because 854611863 - 2¹ = 854611861 is a prime.

It is a super-2 number, since 2×854611863² = 1460722872760661538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854611861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1431 + ... + 41367.

It is an arithmetic number, because the mean of its divisors is an integer number (81473520).

Almost surely, 2^854611863 is an apocalyptic number.

854611863 is a deficient number, since it is larger than the sum of its proper divisors (448964457).

854611863 is a wasteful number, since it uses less digits than its factorization.

854611863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40966.

The product of its digits is 138240, while the sum is 42.

The square root of 854611863 is about 29233.7452783594. The cubic root of 854611863 is about 948.9783524801.

The spelling of 854611863 in words is "eight hundred fifty-four million, six hundred eleven thousand, eight hundred sixty-three".