68788776 has 128 divisors (see below), whose sum is σ = 204595200. Its totient is φ = 18869760.

The previous prime is 68788763. The next prime is 68788781. The reversal of 68788776 is 67788786.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 870705 + ... + 870783.

It is an arithmetic number, because the mean of its divisors is an integer number (1598400).

Almost surely, 2^68788776 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 68788776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102297600).

68788776 is an abundant number, since it is smaller than the sum of its proper divisors (135806424).

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

68788776 is a wasteful number, since it uses less digits than its factorization.

68788776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 235 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 57.

The square root of 68788776 is about 8293.8999270548. The cubic root of 68788776 is about 409.7376390107.

The spelling of 68788776 in words is "sixty-eight million, seven hundred eighty-eight thousand, seven hundred seventy-six".