8690939712 has 784 divisors, whose sum is σ = 33581157120. Its totient is φ = 2167824384.

The previous prime is 8690939707. The next prime is 8690939729. The reversal of 8690939712 is 2179390968.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 97650964 + ... + 97651052.

Almost surely, 2^8690939712 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 8690939712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16790578560).

8690939712 is an abundant number, since it is smaller than the sum of its proper divisors (24890217408).

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

8690939712 is a wasteful number, since it uses less digits than its factorization.

8690939712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 137 counting only the distinct ones).

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

The square root of 8690939712 is about 93225.2096377369. The cubic root of 8690939712 is about 2055.9959070709.

It can be divided in two parts, 86909 and 39712, that added together give a palindrome (126621).

The spelling of 8690939712 in words is "eight billion, six hundred ninety million, nine hundred thirty-nine thousand, seven hundred twelve".