8681415790 has 16 divisors (see below), whose sum is σ = 15859781712. Its totient is φ = 3420736704.

The previous prime is 8681415779. The next prime is 8681415791. The reversal of 8681415790 is 975141868.

8681415790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8681415790² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8681415791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6477999 + ... + 6479338.

It is an arithmetic number, because the mean of its divisors is an integer number (991236357).

Almost surely, 2^8681415790 is an apocalyptic number.

8681415790 is a deficient number, since it is larger than the sum of its proper divisors (7178365922).

8681415790 is a wasteful number, since it uses less digits than its factorization.

8681415790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12957411.

The product of its (nonzero) digits is 483840, while the sum is 49.

The square root of 8681415790 is about 93174.1154505907. The cubic root of 8681415790 is about 2055.2446150246.

The spelling of 8681415790 in words is "eight billion, six hundred eighty-one million, four hundred fifteen thousand, seven hundred ninety".