709979088 has 320 divisors, whose sum is σ = 2431844352. Its totient is φ = 173352960.

The previous prime is 709979087. The next prime is 709979107. The reversal of 709979088 is 880979907.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709979087) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3717073 + ... + 3717263.

Almost surely, 2^709979088 is an apocalyptic number.

709979088 is a gapful number since it is divisible by the number (78) 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 709979088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1215922176).

709979088 is an abundant number, since it is smaller than the sum of its proper divisors (1721865264).

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

709979088 is a wasteful number, since it uses less digits than its factorization.

709979088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 57.

The square root of 709979088 is about 26645.4327793714. The cubic root of 709979088 is about 892.1033817451.

The spelling of 709979088 in words is "seven hundred nine million, nine hundred seventy-nine thousand, eighty-eight".