9979186230 has 224 divisors, whose sum is σ = 30011506560. Its totient is φ = 2371057920.

The previous prime is 9979186219. The next prime is 9979186247. The reversal of 9979186230 is 326819799.

9979186230 is a `hidden beast` number, since 9 + 9 + 7 + 9 + 1 + 8 + 623 + 0 = 666.

It is a super-2 number, since 2×9979186230² (a number of 21 digits) contains 22 as substring.

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 111 ways as a sum of consecutive naturals, for example, 2746515 + ... + 2750145.

It is an arithmetic number, because the mean of its divisors is an integer number (133979940).

Almost surely, 2^9979186230 is an apocalyptic number.

9979186230 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9979186230 is the 63180-th heptagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9979186230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15005753280).

9979186230 is an abundant number, since it is smaller than the sum of its proper divisors (20032320330).

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

9979186230 is a wasteful number, since it uses less digits than its factorization.

9979186230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698 (or 3683 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 9979186230 is about 99895.8769419439. The cubic root of 9979186230 is about 2152.9389215281.

The spelling of 9979186230 in words is "nine billion, nine hundred seventy-nine million, one hundred eighty-six thousand, two hundred thirty".