863848780 has 12 divisors (see below), whose sum is σ = 1814082480. Its totient is φ = 345539504.

The previous prime is 863848763. The next prime is 863848787. The reversal of 863848780 is 87848368.

It is not an unprimeable number, because it can be changed into a prime (863848787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21596200 + ... + 21596239.

It is an arithmetic number, because the mean of its divisors is an integer number (151173540).

Almost surely, 2^863848780 is an apocalyptic number.

It is an amenable number.

863848780 is an abundant number, since it is smaller than the sum of its proper divisors (950233700).

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

863848780 is a wasteful number, since it uses less digits than its factorization.

863848780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43192448 (or 43192446 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The square root of 863848780 is about 29391.3044963983. The cubic root of 863848780 is about 952.3850615529.

The spelling of 863848780 in words is "eight hundred sixty-three million, eight hundred forty-eight thousand, seven hundred eighty".