866763832003725 has 24 divisors (see below), whose sum is σ = 1517346567086400. Its totient is φ = 435081452926720.

The previous prime is 866763832003673. The next prime is 866763832003757. The reversal of 866763832003725 is 527300238367668.

It is not a de Polignac number, because 866763832003725 - 2⁸ = 866763832003469 is a prime.

It is a super-2 number, since 2×866763832003725² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 339907383825 + ... + 339907386374.

It is an arithmetic number, because the mean of its divisors is an integer number (63222773628600).

Almost surely, 2^{866763832003725} is an apocalyptic number.

866763832003725 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

866763832003725 is a deficient number, since it is larger than the sum of its proper divisors (650582735082675).

866763832003725 is a wasteful number, since it uses less digits than its factorization.

866763832003725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679814770229 (or 679814770224 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 66.

The spelling of 866763832003725 in words is "eight hundred sixty-six trillion, seven hundred sixty-three billion, eight hundred thirty-two million, three thousand, seven hundred twenty-five".