863055942 has 16 divisors (see below), whose sum is σ = 1972699392. Its totient is φ = 246587400.

The previous prime is 863055937. The next prime is 863055997. The reversal of 863055942 is 249550368.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 20548951 = 863055942 / (8 + 6 + 3 + 0 + 5 + 5 + 9 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 863055894 and 863055903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10274434 + ... + 10274517.

It is an arithmetic number, because the mean of its divisors is an integer number (123293712).

Almost surely, 2^863055942 is an apocalyptic number.

863055942 is an abundant number, since it is smaller than the sum of its proper divisors (1109643450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863055942 is a wasteful number, since it uses less digits than its factorization.

863055942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20548963.

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 863055942 is about 29377.8137716202. The cubic root of 863055942 is about 952.0936069186.

The spelling of 863055942 in words is "eight hundred sixty-three million, fifty-five thousand, nine hundred forty-two".