68760877 has 2 divisors, whose sum is σ = 68760878. Its totient is φ = 68760876.

The previous prime is 68760871. The next prime is 68760893. The reversal of 68760877 is 77806786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36168196 + 32592681 = 6014^2 + 5709^2 .

It is a cyclic number.

It is not a de Polignac number, because 68760877 - 2⁷ = 68760749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68760877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68760871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34380438 + 34380439.

It is an arithmetic number, because the mean of its divisors is an integer number (34380439).

Almost surely, 2^68760877 is an apocalyptic number.

It is an amenable number.

68760877 is a deficient number, since it is larger than the sum of its proper divisors (1).

68760877 is an equidigital number, since it uses as much as digits as its factorization.

68760877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 790272, while the sum is 49.

The square root of 68760877 is about 8292.2178577266. The cubic root of 68760877 is about 409.6822384216.

The spelling of 68760877 in words is "sixty-eight million, seven hundred sixty thousand, eight hundred seventy-seven".