68277669 has 16 divisors (see below), whose sum is σ = 93562560. Its totient is φ = 44263040.

The previous prime is 68277667. The next prime is 68277673. The reversal of 68277669 is 96677286.

It is a cyclic number.

It is not a de Polignac number, because 68277669 - 2¹ = 68277667 is a prime.

It is a super-2 number, since 2×68277669² = 9323680168147122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68277667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47134 + ... + 48560.

It is an arithmetic number, because the mean of its divisors is an integer number (5847660).

Almost surely, 2^68277669 is an apocalyptic number.

It is an amenable number.

68277669 is a deficient number, since it is larger than the sum of its proper divisors (25284891).

68277669 is a wasteful number, since it uses less digits than its factorization.

68277669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860.

The product of its digits is 1524096, while the sum is 51.

The square root of 68277669 is about 8263.0302552998. The cubic root of 68277669 is about 408.7203189925.

The spelling of 68277669 in words is "sixty-eight million, two hundred seventy-seven thousand, six hundred sixty-nine".