699878088 has 192 divisors, whose sum is σ = 2396808960. Its totient is φ = 179532288.

The previous prime is 699878059. The next prime is 699878107. The reversal of 699878088 is 880878996.

699878088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 240981 + ... + 243867.

It is an arithmetic number, because the mean of its divisors is an integer number (12483380).

Almost surely, 2^699878088 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 699878088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1198404480).

699878088 is an abundant number, since it is smaller than the sum of its proper divisors (1696930872).

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

699878088 is a wasteful number, since it uses less digits than its factorization.

699878088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956 (or 2949 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 63.

The square root of 699878088 is about 26455.2090900828. The cubic root of 699878088 is about 887.8524529629.

The spelling of 699878088 in words is "six hundred ninety-nine million, eight hundred seventy-eight thousand, eighty-eight".