999104780 has 12 divisors (see below), whose sum is σ = 2098120080. Its totient is φ = 399641904.

The previous prime is 999104779. The next prime is 999104801. The reversal of 999104780 is 87401999.

It is a super-2 number, since 2×999104780² = 1996420722837696800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24977600 + ... + 24977639.

It is an arithmetic number, because the mean of its divisors is an integer number (174843340).

Almost surely, 2^999104780 is an apocalyptic number.

It is an amenable number.

999104780 is an abundant number, since it is smaller than the sum of its proper divisors (1099015300).

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

999104780 is a wasteful number, since it uses less digits than its factorization.

999104780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49955248 (or 49955246 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 999104780 is about 31608.6187613442. The cubic root of 999104780 is about 999.7015042425.

The spelling of 999104780 in words is "nine hundred ninety-nine million, one hundred four thousand, seven hundred eighty".