8257001322816 has 84 divisors (see below), whose sum is σ = 24543766581152. Its totient is φ = 2752333769088.

The previous prime is 8257001322709. The next prime is 8257001322833. The reversal of 8257001322816 is 6182231007528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265448740 + ... + 265479843.

Almost surely, 2^{8257001322816} is an apocalyptic number.

It is an amenable number.

8257001322816 is an abundant number, since it is smaller than the sum of its proper divisors (16286765258336).

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

8257001322816 is an equidigital number, since it uses as much as digits as its factorization.

8257001322816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530928610 (or 530928588 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 8257001322816 in words is "eight trillion, two hundred fifty-seven billion, one million, three hundred twenty-two thousand, eight hundred sixteen".