699900912 has 100 divisors (see below), whose sum is σ = 2046155496. Its totient is φ = 230947200.

The previous prime is 699900907. The next prime is 699900941. The reversal of 699900912 is 219009996.

It is a happy number.

It is a super-2 number, since 2×699900912² = 979722573236863488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 128223 + ... + 133569.

Almost surely, 2^699900912 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 699900912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1023077748).

699900912 is an abundant number, since it is smaller than the sum of its proper divisors (1346254584).

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

699900912 is a wasteful number, since it uses less digits than its factorization.

699900912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468 (or 5453 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The square root of 699900912 is about 26455.6404571880. The cubic root of 699900912 is about 887.8621042267.

The spelling of 699900912 in words is "six hundred ninety-nine million, nine hundred thousand, nine hundred twelve".