8299121022687 has 96 divisors (see below), whose sum is σ = 12640197427200. Its totient is φ = 4834644249600.

The previous prime is 8299121022641. The next prime is 8299121022691. The reversal of 8299121022687 is 7862201219928.

It is not a de Polignac number, because 8299121022687 - 2⁷ = 8299121022559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8299121002687) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3459407314 + ... + 3459409712.

It is an arithmetic number, because the mean of its divisors is an integer number (131668723200).

Almost surely, 2^{8299121022687} is an apocalyptic number.

8299121022687 is a deficient number, since it is larger than the sum of its proper divisors (4341076404513).

8299121022687 is a wasteful number, since it uses less digits than its factorization.

8299121022687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405 (or 4394 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 57.

The spelling of 8299121022687 in words is "eight trillion, two hundred ninety-nine billion, one hundred twenty-one million, twenty-two thousand, six hundred eighty-seven".