699676650 has 192 divisors, whose sum is σ = 2091830400. Its totient is φ = 171279360.

The previous prime is 699676613. The next prime is 699676657. The reversal of 699676650 is 56676996.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (699676657) 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 95 ways as a sum of consecutive naturals, for example, 986496 + ... + 987204.

It is an arithmetic number, because the mean of its divisors is an integer number (10894950).

Almost surely, 2^699676650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 699676650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1045915200).

699676650 is an abundant number, since it is smaller than the sum of its proper divisors (1392153750).

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

699676650 is a wasteful number, since it uses less digits than its factorization.

699676650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 779 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The square root of 699676650 is about 26451.4016641841. The cubic root of 699676650 is about 887.7672646105.

The spelling of 699676650 in words is "six hundred ninety-nine million, six hundred seventy-six thousand, six hundred fifty".