699793056 has 72 divisors (see below), whose sum is σ = 1992774420. Its totient is φ = 232943616.

The previous prime is 699793013. The next prime is 699793057. The reversal of 699793056 is 650397996.

It can be written as a sum of positive squares in 2 ways, for example, as 669981456 + 29811600 = 25884^2 + 5460^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 699792993 and 699793011.

It is not an unprimeable number, because it can be changed into a prime (699793057) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 306736 + ... + 309008.

Almost surely, 2^699793056 is an apocalyptic number.

It is an amenable number.

699793056 is an abundant number, since it is smaller than the sum of its proper divisors (1292981364).

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

699793056 is a wasteful number, since it uses less digits than its factorization.

699793056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358 (or 3347 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 54.

The square root of 699793056 is about 26453.6019475609. The cubic root of 699793056 is about 887.8164948302.

The spelling of 699793056 in words is "six hundred ninety-nine million, seven hundred ninety-three thousand, fifty-six".