8308648157 has 4 divisors (see below), whose sum is σ = 8332592736. Its totient is φ = 8284703580.

The previous prime is 8308648151. The next prime is 8308648177. The reversal of 8308648157 is 7518468038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7518468038 = 2 ⋅3759234019.

It is a cyclic number.

It is not a de Polignac number, because 8308648157 - 2⁴ = 8308648141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8308648151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11971769 + ... + 11972462.

It is an arithmetic number, because the mean of its divisors is an integer number (2083148184).

Almost surely, 2^8308648157 is an apocalyptic number.

It is an amenable number.

8308648157 is a deficient number, since it is larger than the sum of its proper divisors (23944579).

8308648157 is a wasteful number, since it uses less digits than its factorization.

8308648157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23944578.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The square root of 8308648157 is about 91151.7863620895. The cubic root of 8308648157 is about 2025.3968155547.

The spelling of 8308648157 in words is "eight billion, three hundred eight million, six hundred forty-eight thousand, one hundred fifty-seven".