992655884827 has 4 divisors (see below), whose sum is σ = 992657918560. Its totient is φ = 992653851096.

The previous prime is 992655884821. The next prime is 992655884833. The reversal of 992655884827 is 728488556299.

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

It is an interprime number because it is at equal distance from previous prime (992655884821) and next prime (992655884833).

It is a 3-Lehmer number, since φ(992655884827) divides (992655884827-1)³.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-992655884827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 992655884827.

It is not an unprimeable number, because it can be changed into a prime (992655884821) 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, 203374 + ... + 1423612.

It is an arithmetic number, because the mean of its divisors is an integer number (248164479640).

Almost surely, 2^992655884827 is an apocalyptic number.

992655884827 is the 813493-rd pentagonal number.

992655884827 is a deficient number, since it is larger than the sum of its proper divisors (2033733).

992655884827 is a wasteful number, since it uses less digits than its factorization.

992655884827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033732.

The product of its digits is 696729600, while the sum is 73.

The spelling of 992655884827 in words is "nine hundred ninety-two billion, six hundred fifty-five million, eight hundred eighty-four thousand, eight hundred twenty-seven".