866825114115765 has 128 divisors (see below), whose sum is σ = 1679113618145280. Its totient is φ = 372770342535168.

The previous prime is 866825114115739. The next prime is 866825114115773. The reversal of 866825114115765 is 567511411528668.

It is not a de Polignac number, because 866825114115765 - 2⁷ = 866825114115637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 866825114115696 and 866825114115705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 38616512772 + ... + 38616535218.

It is an arithmetic number, because the mean of its divisors is an integer number (13118075141760).

Almost surely, 2^{866825114115765} is an apocalyptic number.

866825114115765 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

866825114115765 is a deficient number, since it is larger than the sum of its proper divisors (812288504029515).

866825114115765 is a wasteful number, since it uses less digits than its factorization.

866825114115765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32131.

The product of its digits is 96768000, while the sum is 66.

The spelling of 866825114115765 in words is "eight hundred sixty-six trillion, eight hundred twenty-five billion, one hundred fourteen million, one hundred fifteen thousand, seven hundred sixty-five".