68779148 has 6 divisors (see below), whose sum is σ = 120363516. Its totient is φ = 34389572.

The previous prime is 68779133. The next prime is 68779153. The reversal of 68779148 is 84197786.

It is a junction number, because it is equal to n+sod(n) for n = 68779096 and 68779105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8597390 + ... + 8597397.

It is an arithmetic number, because the mean of its divisors is an integer number (20060586).

Almost surely, 2^68779148 is an apocalyptic number.

It is an amenable number.

68779148 is a deficient number, since it is larger than the sum of its proper divisors (51584368).

68779148 is a wasteful number, since it uses less digits than its factorization.

68779148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17194791 (or 17194789 counting only the distinct ones).

The product of its digits is 677376, while the sum is 50.

The square root of 68779148 is about 8293.3194801599. The cubic root of 68779148 is about 409.7185218510.

The spelling of 68779148 in words is "sixty-eight million, seven hundred seventy-nine thousand, one hundred forty-eight".