8319097157 has 12 divisors (see below), whose sum is σ = 9689122656. Its totient is φ = 7121955960.

The previous prime is 8319097153. The next prime is 8319097207. The reversal of 8319097157 is 7517909138.

It is not a de Polignac number, because 8319097157 - 2² = 8319097153 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 (8319097153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62819 + ... + 143472.

It is an arithmetic number, because the mean of its divisors is an integer number (807426888).

Almost surely, 2^8319097157 is an apocalyptic number.

It is an amenable number.

8319097157 is a deficient number, since it is larger than the sum of its proper divisors (1370025499).

8319097157 is a wasteful number, since it uses less digits than its factorization.

8319097157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207128 (or 207121 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 50.

The square root of 8319097157 is about 91209.0848380796. The cubic root of 8319097157 is about 2026.2455098066.

The spelling of 8319097157 in words is "eight billion, three hundred nineteen million, ninety-seven thousand, one hundred fifty-seven".