68777976 has 16 divisors (see below), whose sum is σ = 171945000. Its totient is φ = 22925984.

The previous prime is 68777957. The next prime is 68777977. The reversal of 68777976 is 67977786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68777977) 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, 1432851 + ... + 1432898.

Almost surely, 2^68777976 is an apocalyptic number.

It is an amenable number.

68777976 is an abundant number, since it is smaller than the sum of its proper divisors (103167024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68777976 is a wasteful number, since it uses less digits than its factorization.

68777976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865758 (or 2865754 counting only the distinct ones).

The product of its digits is 6223392, while the sum is 57.

The square root of 68777976 is about 8293.2488205769. The cubic root of 68777976 is about 409.7161946300.

The spelling of 68777976 in words is "sixty-eight million, seven hundred seventy-seven thousand, nine hundred seventy-six".