8157773814268 has 18 divisors (see below), whose sum is σ = 15458740025064. Its totient is φ = 3765126375504.

The previous prime is 8157773814259. The next prime is 8157773814269. The reversal of 8157773814268 is 8624183777518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8157773814269) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6033855696 + ... + 6033857047.

Almost surely, 2^{8157773814268} is an apocalyptic number.

It is an amenable number.

8157773814268 is a deficient number, since it is larger than the sum of its proper divisors (7300966210796).

8157773814268 is a wasteful number, since it uses less digits than its factorization.

8157773814268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12067712773 (or 12067712758 counting only the distinct ones).

The product of its digits is 126443520, while the sum is 67.

The spelling of 8157773814268 in words is "eight trillion, one hundred fifty-seven billion, seven hundred seventy-three million, eight hundred fourteen thousand, two hundred sixty-eight".