995633387 has 4 divisors (see below), whose sum is σ = 1137866736. Its totient is φ = 853400040.

The previous prime is 995633377. The next prime is 995633393. The reversal of 995633387 is 783336599.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783336599 = 23 ⋅34058113.

It is a cyclic number.

It is not a de Polignac number, because 995633387 - 2⁴ = 995633371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (995633377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71116664 + ... + 71116677.

It is an arithmetic number, because the mean of its divisors is an integer number (284466684).

Almost surely, 2^995633387 is an apocalyptic number.

995633387 is a deficient number, since it is larger than the sum of its proper divisors (142233349).

995633387 is a wasteful number, since it uses less digits than its factorization.

995633387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142233348.

The product of its digits is 3674160, while the sum is 53.

The square root of 995633387 is about 31553.6588528177. The cubic root of 995633387 is about 998.5423385889.

The spelling of 995633387 in words is "nine hundred ninety-five million, six hundred thirty-three thousand, three hundred eighty-seven".