863498230840 has 64 divisors (see below), whose sum is σ = 2292050626560. Its totient is φ = 286506322560.

The previous prime is 863498230813. The next prime is 863498230867. The reversal of 863498230840 is 48032894368.

It is an interprime number because it is at equal distance from previous prime (863498230813) and next prime (863498230867).

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, 49732002 + ... + 49749361.

It is an arithmetic number, because the mean of its divisors is an integer number (35813291040).

Almost surely, 2^863498230840 is an apocalyptic number.

It is an amenable number.

863498230840 is an abundant number, since it is smaller than the sum of its proper divisors (1428552395720).

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

863498230840 is a wasteful number, since it uses less digits than its factorization.

863498230840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99481412 (or 99481408 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 55.

The spelling of 863498230840 in words is "eight hundred sixty-three billion, four hundred ninety-eight million, two hundred thirty thousand, eight hundred forty".