863229264920 has 64 divisors (see below), whose sum is σ = 2187185034240. Its totient is φ = 303775689600.

The previous prime is 863229264907. The next prime is 863229264941. The reversal of 863229264920 is 29462922368.

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, 31629662 + ... + 31656941.

It is an arithmetic number, because the mean of its divisors is an integer number (34174766160).

Almost surely, 2^863229264920 is an apocalyptic number.

It is an amenable number.

863229264920 is an abundant number, since it is smaller than the sum of its proper divisors (1323955769320).

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

863229264920 is a wasteful number, since it uses less digits than its factorization.

863229264920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63286656 (or 63286652 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 53.

The spelling of 863229264920 in words is "eight hundred sixty-three billion, two hundred twenty-nine million, two hundred sixty-four thousand, nine hundred twenty".