996779152 has 40 divisors (see below), whose sum is σ = 2019977856. Its totient is φ = 475597056.

The previous prime is 996779143. The next prime is 996779191. The reversal of 996779152 is 251977699.

It is a junction number, because it is equal to n+sod(n) for n = 996779093 and 996779102.

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, 165213 + ... + 171139.

Almost surely, 2^996779152 is an apocalyptic number.

996779152 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 996779152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009988928).

996779152 is an abundant number, since it is smaller than the sum of its proper divisors (1023198704).

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

996779152 is a wasteful number, since it uses less digits than its factorization.

996779152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6415 (or 6409 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 55.

The square root of 996779152 is about 31571.8094508376. The cubic root of 996779152 is about 998.9252292817.

The spelling of 996779152 in words is "nine hundred ninety-six million, seven hundred seventy-nine thousand, one hundred fifty-two".