863266830 has 32 divisors (see below), whose sum is σ = 2083300128. Its totient is φ = 228931200.

The previous prime is 863266823. The next prime is 863266861. The reversal of 863266830 is 38662368.

It is a congruent number.

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, 74061 + ... + 84920.

It is an arithmetic number, because the mean of its divisors is an integer number (65103129).

Almost surely, 2^863266830 is an apocalyptic number.

863266830 is an abundant number, since it is smaller than the sum of its proper divisors (1220033298).

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

863266830 is a wasteful number, since it uses less digits than its factorization.

863266830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159172.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 863266830 is about 29381.4027915619. The cubic root of 863266830 is about 952.1711487306.

The spelling of 863266830 in words is "eight hundred sixty-three million, two hundred sixty-six thousand, eight hundred thirty".