68851080 has 128 divisors (see below), whose sum is σ = 235843200. Its totient is φ = 17853696.

The previous prime is 68851067. The next prime is 68851087. The reversal of 68851080 is 8015886.

68851080 is a `hidden beast` number, since 68 + 8 + 510 + 80 = 666.

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

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (68851087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39099 + ... + 40821.

It is an arithmetic number, because the mean of its divisors is an integer number (1842525).

Almost surely, 2^68851080 is an apocalyptic number.

68851080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68851080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117921600).

68851080 is an abundant number, since it is smaller than the sum of its proper divisors (166992120).

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

68851080 is a wasteful number, since it uses less digits than its factorization.

68851080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780 (or 1770 counting only the distinct ones).

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

The square root of 68851080 is about 8297.6550904457. The cubic root of 68851080 is about 409.8613054574.

The spelling of 68851080 in words is "sixty-eight million, eight hundred fifty-one thousand, eighty".