68980767 has 4 divisors (see below), whose sum is σ = 91974360. Its totient is φ = 45987176.

The previous prime is 68980739. The next prime is 68980783. The reversal of 68980767 is 76708986.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68980767 - 2¹¹ = 68978719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68980727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11496792 + ... + 11496797.

It is an arithmetic number, because the mean of its divisors is an integer number (22993590).

Almost surely, 2^68980767 is an apocalyptic number.

68980767 is a deficient number, since it is larger than the sum of its proper divisors (22993593).

68980767 is a wasteful number, since it uses less digits than its factorization.

68980767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22993592.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 68980767 is about 8305.4660916772. The cubic root of 68980767 is about 410.1184805315.

The spelling of 68980767 in words is "sixty-eight million, nine hundred eighty thousand, seven hundred sixty-seven".