863044031412408 has 32 divisors (see below), whose sum is σ = 2157627128726160. Its totient is φ = 287679070444800.

The previous prime is 863044031412347. The next prime is 863044031412443. The reversal of 863044031412408 is 804214130440368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138983235 + ... + 145060082.

Almost surely, 2^{863044031412408} is an apocalyptic number.

It is an amenable number.

863044031412408 is an abundant number, since it is smaller than the sum of its proper divisors (1294583097313752).

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

863044031412408 is a wasteful number, since it uses less digits than its factorization.

863044031412408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284169927 (or 284169923 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 863044031412408 in words is "eight hundred sixty-three trillion, forty-four billion, thirty-one million, four hundred twelve thousand, four hundred eight".