68799788 has 12 divisors (see below), whose sum is σ = 124283712. Its totient is φ = 33290160.

The previous prime is 68799769. The next prime is 68799791. The reversal of 68799788 is 88799786.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 68799788.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277295 + ... + 277542.

It is an arithmetic number, because the mean of its divisors is an integer number (10356976).

Almost surely, 2^68799788 is an apocalyptic number.

It is an amenable number.

68799788 is a deficient number, since it is larger than the sum of its proper divisors (55483924).

68799788 is a wasteful number, since it uses less digits than its factorization.

68799788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554872 (or 554870 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 62.

The square root of 68799788 is about 8294.5637618865. The cubic root of 68799788 is about 409.7595020258.

The spelling of 68799788 in words is "sixty-eight million, seven hundred ninety-nine thousand, seven hundred eighty-eight".