65990095 has 4 divisors (see below), whose sum is σ = 79188120. Its totient is φ = 52792072.

The previous prime is 65990087. The next prime is 65990117. The reversal of 65990095 is 59009956.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65990095 - 2³ = 65990087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6599005 + ... + 6599014.

It is an arithmetic number, because the mean of its divisors is an integer number (19797030).

Almost surely, 2^65990095 is an apocalyptic number.

65990095 is a deficient number, since it is larger than the sum of its proper divisors (13198025).

65990095 is a wasteful number, since it uses less digits than its factorization.

65990095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13198024.

The product of its (nonzero) digits is 109350, while the sum is 43.

The square root of 65990095 is about 8123.4287711532. The cubic root of 65990095 is about 404.1037846455.

The spelling of 65990095 in words is "sixty-five million, nine hundred ninety thousand, ninety-five".