68277681458 has 32 divisors (see below), whose sum is σ = 128564720640. Its totient is φ = 26516468880.

The previous prime is 68277681457. The next prime is 68277681463. The reversal of 68277681458 is 85418677286.

It is a self number, because there is not a number n which added to its sum of digits gives 68277681458.

It is not an unprimeable number, because it can be changed into a prime (68277681457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5573948 + ... + 5586183.

It is an arithmetic number, because the mean of its divisors is an integer number (4017647520).

Almost surely, 2^68277681458 is an apocalyptic number.

68277681458 is a deficient number, since it is larger than the sum of its proper divisors (60287039182).

68277681458 is a wasteful number, since it uses less digits than its factorization.

68277681458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11160182.

The product of its digits is 36126720, while the sum is 62.

The spelling of 68277681458 in words is "sixty-eight billion, two hundred seventy-seven million, six hundred eighty-one thousand, four hundred fifty-eight".