699009696 has 576 divisors, whose sum is σ = 2757888000. Its totient is φ = 169827840.

The previous prime is 699009691. The next prime is 699009719. The reversal of 699009696 is 696900996.

It is a super-2 number, since 2×699009696² = 977229110204024832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (699009691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8848185 + ... + 8848263.

It is an arithmetic number, because the mean of its divisors is an integer number (4788000).

Almost surely, 2^699009696 is an apocalyptic number.

699009696 is a gapful number since it is divisible by the number (66) 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 699009696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378944000).

699009696 is an abundant number, since it is smaller than the sum of its proper divisors (2058878304).

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

699009696 is a wasteful number, since it uses less digits than its factorization.

699009696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 1417176, while the sum is 54.

The square root of 699009696 is about 26438.7915003693. The cubic root of 699009696 is about 887.4850922841.

The spelling of 699009696 in words is "six hundred ninety-nine million, nine thousand, six hundred ninety-six".