68965977 has 16 divisors (see below), whose sum is σ = 94590720. Its totient is φ = 44668800.

The previous prime is 68965961. The next prime is 68965993. The reversal of 68965977 is 77956986.

It is an interprime number because it is at equal distance from previous prime (68965961) and next prime (68965993).

It is not a de Polignac number, because 68965977 - 2⁴ = 68965961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68965907) 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, 32299 + ... + 34367.

It is an arithmetic number, because the mean of its divisors is an integer number (5911920).

Almost surely, 2^68965977 is an apocalyptic number.

It is an amenable number.

68965977 is a deficient number, since it is larger than the sum of its proper divisors (25624743).

68965977 is a wasteful number, since it uses less digits than its factorization.

68965977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384.

The product of its digits is 5715360, while the sum is 57.

The square root of 68965977 is about 8304.5756664624. The cubic root of 68965977 is about 410.0891675981.

It can be divided in two parts, 689 and 65977, that added together give a palindrome (66666).

The spelling of 68965977 in words is "sixty-eight million, nine hundred sixty-five thousand, nine hundred seventy-seven".