68797776 has 80 divisors (see below), whose sum is σ = 191505600. Its totient is φ = 21202944.

The previous prime is 68797747. The next prime is 68797777. The reversal of 68797776 is 67779786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68797777) 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, 47430 + ... + 48858.

It is an arithmetic number, because the mean of its divisors is an integer number (2393820).

Almost surely, 2^68797776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68797776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95752800).

68797776 is an abundant number, since it is smaller than the sum of its proper divisors (122707824).

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

68797776 is a wasteful number, since it uses less digits than its factorization.

68797776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516 (or 1510 counting only the distinct ones).

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

The square root of 68797776 is about 8294.4424767431. The cubic root of 68797776 is about 409.7555076135.

The spelling of 68797776 in words is "sixty-eight million, seven hundred ninety-seven thousand, seven hundred seventy-six".