995947795920 has 640 divisors, whose sum is σ = 3896221483008. Its totient is φ = 206144040960.

The previous prime is 995947795879. The next prime is 995947795943. The reversal of 995947795920 is 29597749599.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 699892329 + ... + 699893751.

Almost surely, 2^995947795920 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 995947795920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1948110741504).

995947795920 is an abundant number, since it is smaller than the sum of its proper divisors (2900273687088).

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

995947795920 is a wasteful number, since it uses less digits than its factorization.

995947795920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792 (or 1764 counting only the distinct ones).

The product of its (nonzero) digits is 578680200, while the sum is 75.

It can be divided in two parts, 99594779 and 5920, that added together give a palindrome (99600699).

The spelling of 995947795920 in words is "nine hundred ninety-five billion, nine hundred forty-seven million, seven hundred ninety-five thousand, nine hundred twenty".