995666678 has 8 divisors (see below), whose sum is σ = 1494629472. Its totient is φ = 497456856.

The previous prime is 995666663. The next prime is 995666687. The reversal of 995666678 is 876666599.

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

It is a self number, because there is not a number n which added to its sum of digits gives 995666678.

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, 184925 + ... + 190232.

It is an arithmetic number, because the mean of its divisors is an integer number (186828684).

Almost surely, 2^995666678 is an apocalyptic number.

995666678 is a deficient number, since it is larger than the sum of its proper divisors (498962794).

995666678 is a wasteful number, since it uses less digits than its factorization.

995666678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376486.

The product of its digits is 29393280, while the sum is 62.

The square root of 995666678 is about 31554.1863783556. The cubic root of 995666678 is about 998.5534678871.

The spelling of 995666678 in words is "nine hundred ninety-five million, six hundred sixty-six thousand, six hundred seventy-eight".