8261852059497 has 16 divisors (see below), whose sum is σ = 11420438476608. Its totient is φ = 5308820593920.

The previous prime is 8261852059471. The next prime is 8261852059511. The reversal of 8261852059497 is 7949502581628.

It is not a de Polignac number, because 8261852059497 - 2²⁰ = 8261851010921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8261852059297) 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 15 ways as a sum of consecutive naturals, for example, 404625508 + ... + 404645925.

It is an arithmetic number, because the mean of its divisors is an integer number (713777404788).

Almost surely, 2^{8261852059497} is an apocalyptic number.

It is an amenable number.

8261852059497 is a deficient number, since it is larger than the sum of its proper divisors (3158586417111).

8261852059497 is a wasteful number, since it uses less digits than its factorization.

8261852059497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809271560.

The product of its (nonzero) digits is 87091200, while the sum is 66.

The spelling of 8261852059497 in words is "eight trillion, two hundred sixty-one billion, eight hundred fifty-two million, fifty-nine thousand, four hundred ninety-seven".