68285777 has 12 divisors (see below), whose sum is σ = 80647488. Its totient is φ = 56637000.

The previous prime is 68285773. The next prime is 68285801. The reversal of 68285777 is 77758286.

It is not a de Polignac number, because 68285777 - 2² = 68285773 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68285773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1652 + ... + 11802.

It is an arithmetic number, because the mean of its divisors is an integer number (6720624).

Almost surely, 2^68285777 is an apocalyptic number.

It is an amenable number.

68285777 is a deficient number, since it is larger than the sum of its proper divisors (12361711).

68285777 is a wasteful number, since it uses less digits than its factorization.

68285777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10220 (or 10189 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 50.

The square root of 68285777 is about 8263.5208597788. The cubic root of 68285777 is about 408.7364969182.

The spelling of 68285777 in words is "sixty-eight million, two hundred eighty-five thousand, seven hundred seventy-seven".