68277485 has 4 divisors (see below), whose sum is σ = 81932988. Its totient is φ = 54621984.

The previous prime is 68277463. The next prime is 68277487. The reversal of 68277485 is 58477286.

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 20016676 + 48260809 = 4474^2 + 6947^2 .

It is a cyclic number.

It is not a de Polignac number, because 68277485 - 2²⁶ = 1168621 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 (68277487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6827744 + ... + 6827753.

It is an arithmetic number, because the mean of its divisors is an integer number (20483247).

Almost surely, 2^68277485 is an apocalyptic number.

It is an amenable number.

68277485 is a deficient number, since it is larger than the sum of its proper divisors (13655503).

68277485 is a wasteful number, since it uses less digits than its factorization.

68277485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13655502.

The product of its digits is 752640, while the sum is 47.

The square root of 68277485 is about 8263.0191213624. The cubic root of 68277485 is about 408.7199518417.

The spelling of 68277485 in words is "sixty-eight million, two hundred seventy-seven thousand, four hundred eighty-five".