709985088 has 140 divisors (see below), whose sum is σ = 2120891872. Its totient is φ = 234835200.

The previous prime is 709985057. The next prime is 709985123. The reversal of 709985088 is 880589907.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 782331 + ... + 783237.

Almost surely, 2^709985088 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 709985088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1060445936).

709985088 is an abundant number, since it is smaller than the sum of its proper divisors (1410906784).

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

709985088 is a wasteful number, since it uses less digits than its factorization.

709985088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 54.

The square root of 709985088 is about 26645.5453687854. The cubic root of 709985088 is about 892.1058947793.

The spelling of 709985088 in words is "seven hundred nine million, nine hundred eighty-five thousand, eighty-eight".