68276853765 has 24 divisors (see below), whose sum is σ = 118389076728. Its totient is φ = 36401235840.

The previous prime is 68276853763. The next prime is 68276853833. The reversal of 68276853765 is 56735867286.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29465095716 + 38811758049 = 171654^2 + 197007^2 .

It is not a de Polignac number, because 68276853765 - 2¹ = 68276853763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68276853763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145366 + ... + 397095.

It is an arithmetic number, because the mean of its divisors is an integer number (4932878197).

Almost surely, 2^68276853765 is an apocalyptic number.

It is an amenable number.

68276853765 is a deficient number, since it is larger than the sum of its proper divisors (50112222963).

68276853765 is a wasteful number, since it uses less digits than its factorization.

68276853765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545269 (or 545266 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 63.

The spelling of 68276853765 in words is "sixty-eight billion, two hundred seventy-six million, eight hundred fifty-three thousand, seven hundred sixty-five".