68405339176 has 8 divisors (see below), whose sum is σ = 128260010970. Its totient is φ = 34202669584.

The previous prime is 68405339147. The next prime is 68405339201. The reversal of 68405339176 is 67193350486.

It is a happy number.

68405339176 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 68387480100 + 17859076 = 261510^2 + 4226^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4275333691 + ... + 4275333706.

Almost surely, 2^68405339176 is an apocalyptic number.

It is an amenable number.

68405339176 is a deficient number, since it is larger than the sum of its proper divisors (59854671794).

68405339176 is a wasteful number, since it uses less digits than its factorization.

68405339176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8550667403 (or 8550667399 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 68405339176 in words is "sixty-eight billion, four hundred five million, three hundred thirty-nine thousand, one hundred seventy-six".