992847889 has 16 divisors (see below), whose sum is σ = 1152683136. Its totient is φ = 845152000.

The previous prime is 992847859. The next prime is 992847893. The reversal of 992847889 is 988748299.

It is not a de Polignac number, because 992847889 - 2¹⁵ = 992815121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 992847889.

It is not an unprimeable number, because it can be changed into a prime (992847809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23364 + ... + 50314.

It is an arithmetic number, because the mean of its divisors is an integer number (72042696).

Almost surely, 2^992847889 is an apocalyptic number.

It is an amenable number.

992847889 is a deficient number, since it is larger than the sum of its proper divisors (159835247).

992847889 is a wasteful number, since it uses less digits than its factorization.

992847889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27176.

The product of its digits is 20901888, while the sum is 64.

The square root of 992847889 is about 31509.4888724016. The cubic root of 992847889 is about 997.6102566760.

The spelling of 992847889 in words is "nine hundred ninety-two million, eight hundred forty-seven thousand, eight hundred eighty-nine".