68750656285 has 4 divisors (see below), whose sum is σ = 82500787548. Its totient is φ = 55000525024.

The previous prime is 68750656259. The next prime is 68750656297. The reversal of 68750656285 is 58265605786.

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

It can be written as a sum of positive squares in 2 ways, for example, as 53848594809 + 14902061476 = 232053^2 + 122074^2 .

It is a cyclic number.

It is not a de Polignac number, because 68750656285 - 2²¹ = 68748559133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6875065624 + ... + 6875065633.

It is an arithmetic number, because the mean of its divisors is an integer number (20625196887).

Almost surely, 2^68750656285 is an apocalyptic number.

It is an amenable number.

68750656285 is a deficient number, since it is larger than the sum of its proper divisors (13750131263).

68750656285 is a wasteful number, since it uses less digits than its factorization.

68750656285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13750131262.

The product of its (nonzero) digits is 24192000, while the sum is 58.

The spelling of 68750656285 in words is "sixty-eight billion, seven hundred fifty million, six hundred fifty-six thousand, two hundred eighty-five".