894899779992 has 96 divisors (see below), whose sum is σ = 2516886088080. Its totient is φ = 297892494720.

The previous prime is 894899779951. The next prime is 894899780029. The reversal of 894899779992 is 299977998498.

894899779992 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1110942 + ... + 1738962.

Almost surely, 2^894899779992 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 894899779992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1258443044040).

894899779992 is an abundant number, since it is smaller than the sum of its proper divisors (1621986308088).

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

894899779992 is a wasteful number, since it uses less digits than its factorization.

894899779992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628775 (or 628759 counting only the distinct ones).

The product of its digits is 13332791808, while the sum is 90.

The spelling of 894899779992 in words is "eight hundred ninety-four billion, eight hundred ninety-nine million, seven hundred seventy-nine thousand, nine hundred ninety-two".