1368867677 has 4 divisors (see below), whose sum is σ = 1368952860. Its totient is φ = 1368782496.

The previous prime is 1368867667. The next prime is 1368867683. The reversal of 1368867677 is 7767688631.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 389115076 + 979752601 = 19726^2 + 31301^2 .

It is a cyclic number.

It is not a de Polignac number, because 1368867677 - 2⁶ = 1368867613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368867667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10352 + ... + 53337.

It is an arithmetic number, because the mean of its divisors is an integer number (342238215).

Almost surely, 2^1368867677 is an apocalyptic number.

It is an amenable number.

1368867677 is a deficient number, since it is larger than the sum of its proper divisors (85183).

1368867677 is an equidigital number, since it uses as much as digits as its factorization.

1368867677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85182.

The product of its digits is 14224896, while the sum is 59.

The square root of 1368867677 is about 36998.2118081401. The cubic root of 1368867677 is about 1110.3344708041.

The spelling of 1368867677 in words is "one billion, three hundred sixty-eight million, eight hundred sixty-seven thousand, six hundred seventy-seven".