102805686607 has 8 divisors (see below), whose sum is σ = 112273166880. Its totient is φ = 93560970720.

The previous prime is 102805686509. The next prime is 102805686637. The reversal of 102805686607 is 706686508201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102805686607 - 2¹⁹ = 102805162319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102805686637) 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 7 ways as a sum of consecutive naturals, for example, 55690132 + ... + 55691977.

It is an arithmetic number, because the mean of its divisors is an integer number (14034145860).

Almost surely, 2^102805686607 is an apocalyptic number.

102805686607 is a deficient number, since it is larger than the sum of its proper divisors (9467480273).

102805686607 is a wasteful number, since it uses less digits than its factorization.

102805686607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111382193.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 102805686607 in words is "one hundred two billion, eight hundred five million, six hundred eighty-six thousand, six hundred seven".