8265372887 has 2 divisors, whose sum is σ = 8265372888. Its totient is φ = 8265372886.

The previous prime is 8265372883. The next prime is 8265372961. The reversal of 8265372887 is 7882735628.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8265372887 - 2² = 8265372883 is a prime.

It is a super-2 number, since 2×8265372887² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8265372883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4132686443 + 4132686444.

It is an arithmetic number, because the mean of its divisors is an integer number (4132686444).

Almost surely, 2^8265372887 is an apocalyptic number.

8265372887 is a deficient number, since it is larger than the sum of its proper divisors (1).

8265372887 is an equidigital number, since it uses as much as digits as its factorization.

8265372887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9031680, while the sum is 56.

The square root of 8265372887 is about 90914.0961952546. The cubic root of 8265372887 is about 2021.8742926999.

The spelling of 8265372887 in words is "eight billion, two hundred sixty-five million, three hundred seventy-two thousand, eight hundred eighty-seven".