853902490752 has 512 divisors, whose sum is σ = 2644486272000. Its totient is φ = 270999945216.

The previous prime is 853902490733. The next prime is 853902490799. The reversal of 853902490752 is 257094209358.

853902490752 is a `hidden beast` number, since 8 + 5 + 390 + 249 + 0 + 7 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1383958348 + ... + 1383958964.

It is an arithmetic number, because the mean of its divisors is an integer number (5165012250).

Almost surely, 2^853902490752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853902490752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1322243136000).

853902490752 is an abundant number, since it is smaller than the sum of its proper divisors (1790583781248).

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

853902490752 is a wasteful number, since it uses less digits than its factorization.

853902490752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 853902490752 in words is "eight hundred fifty-three billion, nine hundred two million, four hundred ninety thousand, seven hundred fifty-two".