992919487 has 32 divisors (see below), whose sum is σ = 1206864000. Its totient is φ = 815560704.

The previous prime is 992919469. The next prime is 992919503. The reversal of 992919487 is 784919299.

It is not a de Polignac number, because 992919487 - 2¹⁹ = 992395199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992919467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1720543 + ... + 1721119.

It is an arithmetic number, because the mean of its divisors is an integer number (37714500).

Almost surely, 2^992919487 is an apocalyptic number.

992919487 is a deficient number, since it is larger than the sum of its proper divisors (213944513).

992919487 is a wasteful number, since it uses less digits than its factorization.

992919487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 786 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 58.

The square root of 992919487 is about 31510.6249858679. The cubic root of 992919487 is about 997.6342365770.

The spelling of 992919487 in words is "nine hundred ninety-two million, nine hundred nineteen thousand, four hundred eighty-seven".