8691397148 has 18 divisors (see below), whose sum is σ = 17693201736. Its totient is φ = 3724884408.

The previous prime is 8691397139. The next prime is 8691397151. The reversal of 8691397148 is 8417931968.

It is a junction number, because it is equal to n+sod(n) for n = 8691397093 and 8691397102.

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 5 ways as a sum of consecutive naturals, for example, 22171736 + ... + 22172127.

It is an arithmetic number, because the mean of its divisors is an integer number (982955652).

Almost surely, 2^8691397148 is an apocalyptic number.

It is an amenable number.

8691397148 is an abundant number, since it is smaller than the sum of its proper divisors (9001804588).

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

8691397148 is a wasteful number, since it uses less digits than its factorization.

8691397148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44343881 (or 44343872 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 56.

The square root of 8691397148 is about 93227.6629976318. The cubic root of 8691397148 is about 2056.0319779706.

The spelling of 8691397148 in words is "eight billion, six hundred ninety-one million, three hundred ninety-seven thousand, one hundred forty-eight".