8200787242397 has 4 divisors (see below), whose sum is σ = 8255826083100. Its totient is φ = 8145748401696.

The previous prime is 8200787242343. The next prime is 8200787242399. The reversal of 8200787242397 is 7932427870028.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 274653557476 + 7926133684921 = 524074^2 + 2815339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8200787242397 is a prime.

It is a super-2 number, since 2×8200787242397² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8200787242399) 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 3 ways as a sum of consecutive naturals, for example, 27519420128 + ... + 27519420425.

It is an arithmetic number, because the mean of its divisors is an integer number (2063956520775).

Almost surely, 2^{8200787242397} is an apocalyptic number.

It is an amenable number.

8200787242397 is a deficient number, since it is larger than the sum of its proper divisors (55038840703).

8200787242397 is a wasteful number, since it uses less digits than its factorization.

8200787242397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55038840702.

The product of its (nonzero) digits is 18966528, while the sum is 59.

The spelling of 8200787242397 in words is "eight trillion, two hundred billion, seven hundred eighty-seven million, two hundred forty-two thousand, three hundred ninety-seven".