8261425875767 has 4 divisors (see below), whose sum is σ = 8261641453920. Its totient is φ = 8261210297616.

The previous prime is 8261425875721. The next prime is 8261425875863. The reversal of 8261425875767 is 7675785241628.

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

It is a cyclic number.

It is not a de Polignac number, because 8261425875767 - 2⁸ = 8261425875511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8261425875697 and 8261425875706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8261425878767) 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, 107731583 + ... + 107808240.

It is an arithmetic number, because the mean of its divisors is an integer number (2065410363480).

Almost surely, 2^{8261425875767} is an apocalyptic number.

8261425875767 is a deficient number, since it is larger than the sum of its proper divisors (215578153).

8261425875767 is a wasteful number, since it uses less digits than its factorization.

8261425875767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215578152.

The product of its digits is 316108800, while the sum is 68.

The spelling of 8261425875767 in words is "eight trillion, two hundred sixty-one billion, four hundred twenty-five million, eight hundred seventy-five thousand, seven hundred sixty-seven".