68277969 has 12 divisors (see below), whose sum is σ = 98830992. Its totient is φ = 45423000.

The previous prime is 68277949. The next prime is 68277973. The reversal of 68277969 is 96977286.

It is not a de Polignac number, because 68277969 - 2¹⁵ = 68245201 is a prime.

It is a super-2 number, since 2×68277969² = 9323762101529922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68277949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3307 + ... + 12144.

It is an arithmetic number, because the mean of its divisors is an integer number (8235916).

Almost surely, 2^68277969 is an apocalyptic number.

It is an amenable number.

68277969 is a deficient number, since it is larger than the sum of its proper divisors (30553023).

68277969 is a wasteful number, since it uses less digits than its factorization.

68277969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15948 (or 15945 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 68277969 is about 8263.0484084265. The cubic root of 68277969 is about 408.7209176065.

The spelling of 68277969 in words is "sixty-eight million, two hundred seventy-seven thousand, nine hundred sixty-nine".