995778887 has 8 divisors (see below), whose sum is σ = 1031210400. Its totient is φ = 960420384.

The previous prime is 995778881. The next prime is 995778913. The reversal of 995778887 is 788877599.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 995778887 - 2⁸ = 995778631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995778881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10289 + ... + 45797.

It is an arithmetic number, because the mean of its divisors is an integer number (128901300).

Almost surely, 2^995778887 is an apocalyptic number.

995778887 is a deficient number, since it is larger than the sum of its proper divisors (35431513).

995778887 is a wasteful number, since it uses less digits than its factorization.

995778887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36505.

The product of its digits is 71124480, while the sum is 68.

The square root of 995778887 is about 31555.9643649184. The cubic root of 995778887 is about 998.5909779226.

The spelling of 995778887 in words is "nine hundred ninety-five million, seven hundred seventy-eight thousand, eight hundred eighty-seven".