849247987500 has 648 divisors, whose sum is σ = 3090938511024. Its totient is φ = 194940000000.

The previous prime is 849247987369. The next prime is 849247987513. The reversal of 849247987500 is 5789742948.

849247987500 is a `hidden beast` number, since 8 + 4 + 9 + 2 + 47 + 9 + 87 + 500 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 446736550 + ... + 446738450.

It is an arithmetic number, because the mean of its divisors is an integer number (4769966838).

Almost surely, 2^849247987500 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 849247987500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1545469255512).

849247987500 is an abundant number, since it is smaller than the sum of its proper divisors (2241690523524).

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

849247987500 is a wasteful number, since it uses less digits than its factorization.

849247987500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985 (or 1941 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 849247987500 in words is "eight hundred forty-nine billion, two hundred forty-seven million, nine hundred eighty-seven thousand, five hundred".