68883507 has 64 divisors (see below), whose sum is σ = 134784000. Its totient is φ = 33661440.

The previous prime is 68883499. The next prime is 68883509. The reversal of 68883507 is 70538886.

68883507 is a `hidden beast` number, since 68 + 8 + 83 + 507 = 666.

It is not a de Polignac number, because 68883507 - 2³ = 68883499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68883509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34369 + ... + 36317.

It is an arithmetic number, because the mean of its divisors is an integer number (2106000).

Almost surely, 2^68883507 is an apocalyptic number.

68883507 is a deficient number, since it is larger than the sum of its proper divisors (65900493).

68883507 is a wasteful number, since it uses less digits than its factorization.

68883507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993 (or 1987 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 68883507 is about 8299.6088462047. The cubic root of 68883507 is about 409.9256398953.

The spelling of 68883507 in words is "sixty-eight million, eight hundred eighty-three thousand, five hundred seven".