863057852800 has 576 divisors, whose sum is σ = 2562244488000. Its totient is φ = 284671795200.

The previous prime is 863057852759. The next prime is 863057852801. The reversal of 863057852800 is 8258750368.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863057852801) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 350977971 + ... + 350980429.

It is an arithmetic number, because the mean of its divisors is an integer number (4448341125).

Almost surely, 2^863057852800 is an apocalyptic number.

863057852800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 863057852800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1281122244000).

863057852800 is an abundant number, since it is smaller than the sum of its proper divisors (1699186635200).

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

863057852800 is a wasteful number, since it uses less digits than its factorization.

863057852800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579 (or 2549 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 863057852800 in words is "eight hundred sixty-three billion, fifty-seven million, eight hundred fifty-two thousand, eight hundred".