855898692096 has 640 divisors, whose sum is σ = 2975749539840. Its totient is φ = 212690534400.

The previous prime is 855898692067. The next prime is 855898692101. The reversal of 855898692096 is 690296898558.

It is a super-2 number, since 2×855898692096² (a number of 25 digits) contains 22 as substring.

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, 142385731 + ... + 142391741.

It is an arithmetic number, because the mean of its divisors is an integer number (4649608656).

Almost surely, 2^855898692096 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 855898692096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1487874769920).

855898692096 is an abundant number, since it is smaller than the sum of its proper divisors (2119850847744).

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

855898692096 is a wasteful number, since it uses less digits than its factorization.

855898692096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6116 (or 6100 counting only the distinct ones).

The product of its (nonzero) digits is 671846400, while the sum is 75.

The spelling of 855898692096 in words is "eight hundred fifty-five billion, eight hundred ninety-eight million, six hundred ninety-two thousand, ninety-six".