68478776 has 16 divisors (see below), whose sum is σ = 129052440. Its totient is φ = 34064800.

The previous prime is 68478769. The next prime is 68478811. The reversal of 68478776 is 67787486.

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, 20150 + ... + 23301.

Almost surely, 2^68478776 is an apocalyptic number.

It is an amenable number.

68478776 is a deficient number, since it is larger than the sum of its proper divisors (60573664).

68478776 is a wasteful number, since it uses less digits than its factorization.

68478776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43654 (or 43650 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 53.

The square root of 68478776 is about 8275.1903905590. The cubic root of 68478776 is about 409.1212111576.

The spelling of 68478776 in words is "sixty-eight million, four hundred seventy-eight thousand, seven hundred seventy-six".