6986865630 has 64 divisors (see below), whose sum is σ = 17790197760. Its totient is φ = 1751186304.

The previous prime is 6986865607. The next prime is 6986865713. The reversal of 6986865630 is 365686896.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24132 + ... + 120648.

It is an arithmetic number, because the mean of its divisors is an integer number (277971840).

Almost surely, 2^6986865630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6986865630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8895098880).

6986865630 is an abundant number, since it is smaller than the sum of its proper divisors (10803332130).

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

6986865630 is a wasteful number, since it uses less digits than its factorization.

6986865630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96673.

The product of its (nonzero) digits is 11197440, while the sum is 57.

The square root of 6986865630 is about 83587.4729250741. The cubic root of 6986865630 is about 1911.7339981644.

The spelling of 6986865630 in words is "six billion, nine hundred eighty-six million, eight hundred sixty-five thousand, six hundred thirty".