1068515677 has 2 divisors, whose sum is σ = 1068515678. Its totient is φ = 1068515676.

The previous prime is 1068515659. The next prime is 1068515699. The reversal of 1068515677 is 7765158601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1012130596 + 56385081 = 31814^2 + 7509^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068515677 - 2¹⁹ = 1067991389 is a prime.

It is a super-2 number, since 2×1068515677² = 2283451503989536658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1068515647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534257838 + 534257839.

It is an arithmetic number, because the mean of its divisors is an integer number (534257839).

Almost surely, 2^1068515677 is an apocalyptic number.

It is an amenable number.

1068515677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068515677 is an equidigital number, since it uses as much as digits as its factorization.

1068515677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 1068515677 is about 32688.1580545616. The cubic root of 1068515677 is about 1022.3359499128.

It can be divided in two parts, 10685 and 15677, that added together give a palindrome (26362).

The spelling of 1068515677 in words is "one billion, sixty-eight million, five hundred fifteen thousand, six hundred seventy-seven".