68978804 has 12 divisors (see below), whose sum is σ = 123975684. Its totient is φ = 33557184.

The previous prime is 68978783. The next prime is 68978821. The reversal of 68978804 is 40887986.

It can be written as a sum of positive squares in 2 ways, for example, as 63170704 + 5808100 = 7948^2 + 2410^2 .

It is a congruent number.

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, 232889 + ... + 233184.

It is an arithmetic number, because the mean of its divisors is an integer number (10331307).

Almost surely, 2^68978804 is an apocalyptic number.

It is an amenable number.

68978804 is a deficient number, since it is larger than the sum of its proper divisors (54996880).

68978804 is a wasteful number, since it uses less digits than its factorization.

68978804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466114 (or 466112 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 68978804 is about 8305.3479156505. The cubic root of 68978804 is about 410.1145902190.

The spelling of 68978804 in words is "sixty-eight million, nine hundred seventy-eight thousand, eight hundred four".