699117056 has 40 divisors (see below), whose sum is σ = 1523868984. Its totient is φ = 317777920.

The previous prime is 699117043. The next prime is 699117059. The reversal of 699117056 is 650711996.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 699116998 and 699117016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699117059) by changing a digit.

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, 56435 + ... + 67698.

Almost surely, 2^699117056 is an apocalyptic number.

It is an amenable number.

699117056 is an abundant number, since it is smaller than the sum of its proper divisors (824751928).

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

699117056 is a wasteful number, since it uses less digits than its factorization.

699117056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124162 (or 124146 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 699117056 is about 26440.8217724034. The cubic root of 699117056 is about 887.5305258561.

It can be divided in two parts, 69911 and 7056, that added together give a palindrome (76967).

The spelling of 699117056 in words is "six hundred ninety-nine million, one hundred seventeen thousand, fifty-six".