68851008 has 42 divisors (see below), whose sum is σ = 197350634. Its totient is φ = 22950144.

The previous prime is 68850997. The next prime is 68851019. The reversal of 68851008 is 80015886.

It is an interprime number because it is at equal distance from previous prime (68850997) and next prime (68851019).

It can be written as a sum of positive squares in only one way, i.e., 57881664 + 10969344 = 7608^2 + 3312^2 .

It is a super-2 number, since 2×68851008² = 9480922605232128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59191 + ... + 60342.

Almost surely, 2^68851008 is an apocalyptic number.

It is an amenable number.

68851008 is an abundant number, since it is smaller than the sum of its proper divisors (128499626).

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

68851008 is a wasteful number, since it uses less digits than its factorization.

68851008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119551 (or 119538 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 68851008 is about 8297.6507518695. The cubic root of 68851008 is about 409.8611625886.

The spelling of 68851008 in words is "sixty-eight million, eight hundred fifty-one thousand, eight".