8309149077 has 24 divisors (see below), whose sum is σ = 11496239040. Its totient is φ = 5338051200.

The previous prime is 8309149067. The next prime is 8309149111. The reversal of 8309149077 is 7709419038.

It is not a de Polignac number, because 8309149077 - 2⁴ = 8309149061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8309149067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 688824 + ... + 700782.

It is an arithmetic number, because the mean of its divisors is an integer number (479009960).

Almost surely, 2^8309149077 is an apocalyptic number.

It is an amenable number.

8309149077 is a deficient number, since it is larger than the sum of its proper divisors (3187089963).

8309149077 is a wasteful number, since it uses less digits than its factorization.

8309149077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12265 (or 12234 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 8309149077 is about 91154.5340452136. The cubic root of 8309149077 is about 2025.4375177791.

The spelling of 8309149077 in words is "eight billion, three hundred nine million, one hundred forty-nine thousand, seventy-seven".