995578897369 has 21 divisors (see below), whose sum is σ = 1161906721087. Its totient is φ = 853059991224.

The previous prime is 995578897363. The next prime is 995578897399. The reversal of 995578897369 is 963798875599.

The square root of 995578897369 is 997787.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 863388480969 + 132190416400 = 929187^2 + 363580^2 .

It is not a de Polignac number, because 995578897369 - 2⁵ = 995578897337 is a prime.

It is a super-2 number, since 2×995578897369² (a number of 25 digits) contains 22 as substring.

Its product of digits (9258883200) is a multiple of the sum of its prime divisors (2916).

It is not an unprimeable number, because it can be changed into a prime (995578897363) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 342239487 + ... + 342242395.

Almost surely, 2^995578897369 is an apocalyptic number.

995578897369 is the 997787-th square number.

995578897369 is the 498894-th centered octagonal number.

It is an amenable number.

995578897369 is a deficient number, since it is larger than the sum of its proper divisors (166327823718).

995578897369 is an frugal number, since it uses more digits than its factorization.

995578897369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5860 (or 2916 counting only the distinct ones).

The product of its digits is 9258883200, while the sum is 85.

The spelling of 995578897369 in words is "nine hundred ninety-five billion, five hundred seventy-eight million, eight hundred ninety-seven thousand, three hundred sixty-nine".