68787601 has 2 divisors, whose sum is σ = 68787602. Its totient is φ = 68787600.

The previous prime is 68787571. The next prime is 68787629. The reversal of 68787601 is 10678786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64883025 + 3904576 = 8055^2 + 1976^2 .

It is a cyclic number.

It is not a de Polignac number, because 68787601 - 2¹³ = 68779409 is a prime.

It is not a weakly prime, because it can be changed into another prime (68787671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34393800 + 34393801.

It is an arithmetic number, because the mean of its divisors is an integer number (34393801).

Almost surely, 2^68787601 is an apocalyptic number.

It is an amenable number.

68787601 is a deficient number, since it is larger than the sum of its proper divisors (1).

68787601 is an equidigital number, since it uses as much as digits as its factorization.

68787601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 68787601 is about 8293.8290915596. The cubic root of 68787601 is about 409.7353060504.

It can be divided in two parts, 687 and 87601, that added together give a palindrome (88288).

The spelling of 68787601 in words is "sixty-eight million, seven hundred eighty-seven thousand, six hundred one".