68506884 has 30 divisors (see below), whose sum is σ = 179091374. Its totient is φ = 22835520.

The previous prime is 68506877. The next prime is 68506891. The reversal of 68506884 is 48860586.

68506884 is a `hidden beast` number, since 68 + 506 + 8 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (68506877) and next prime (68506891).

It can be written as a sum of positive squares in only one way, i.e., 38564100 + 29942784 = 6210^2 + 5472^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 105397 + ... + 106044.

Almost surely, 2^68506884 is an apocalyptic number.

It is an amenable number.

68506884 is an abundant number, since it is smaller than the sum of its proper divisors (110584490).

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

68506884 is a wasteful number, since it uses less digits than its factorization.

68506884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211457 (or 211446 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 68506884 is about 8276.8885458245. Note that the first 3 decimals coincide. The cubic root of 68506884 is about 409.1771798662.

The spelling of 68506884 in words is "sixty-eight million, five hundred six thousand, eight hundred eighty-four".