854787870720 has 624 divisors, whose sum is σ = 3399591591552. Its totient is φ = 194606530560.

The previous prime is 854787870683. The next prime is 854787870733. The reversal of 854787870720 is 27078787458.

854787870720 is a `hidden beast` number, since 8 + 5 + 478 + 78 + 70 + 7 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 365136750 + ... + 365139090.

It is an arithmetic number, because the mean of its divisors is an integer number (5448063448).

Almost surely, 2^854787870720 is an apocalyptic number.

854787870720 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 854787870720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1699795795776).

854787870720 is an abundant number, since it is smaller than the sum of its proper divisors (2544803720832).

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

854787870720 is a wasteful number, since it uses less digits than its factorization.

854787870720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666 (or 2641 counting only the distinct ones).

The product of its (nonzero) digits is 49172480, while the sum is 63.

The spelling of 854787870720 in words is "eight hundred fifty-four billion, seven hundred eighty-seven million, eight hundred seventy thousand, seven hundred twenty".