999769792 has 56 divisors (see below), whose sum is σ = 2282504960. Its totient is φ = 425606400.

The previous prime is 999769787. The next prime is 999769829. The reversal of 999769792 is 297967999.

999769792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60259 + ... + 75037.

Almost surely, 2^999769792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999769792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1141252480).

999769792 is an abundant number, since it is smaller than the sum of its proper divisors (1282735168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999769792 is a wasteful number, since it uses less digits than its factorization.

999769792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14949 (or 14939 counting only the distinct ones).

The product of its digits is 34720812, while the sum is 67.

The square root of 999769792 is about 31619.1364840977. The cubic root of 999769792 is about 999.9232581108.

The spelling of 999769792 in words is "nine hundred ninety-nine million, seven hundred sixty-nine thousand, seven hundred ninety-two".