68874781124260 has 24 divisors (see below), whose sum is σ = 144637884268920. Its totient is φ = 27549751705344.

The previous prime is 68874781124249. The next prime is 68874781124287. The reversal of 68874781124260 is 6242118747886.

It is a happy number.

68874781124260 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 85572630784 + 68789208493476 = 292528^2 + 8293926^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68874781124192 and 68874781124201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6502545 + ... + 13417624.

It is an arithmetic number, because the mean of its divisors is an integer number (6026578511205).

Almost surely, 2^{68874781124260} is an apocalyptic number.

It is an amenable number.

68874781124260 is an abundant number, since it is smaller than the sum of its proper divisors (75763103144660).

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

68874781124260 is a wasteful number, since it uses less digits than its factorization.

68874781124260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20093055 (or 20093053 counting only the distinct ones).

The product of its (nonzero) digits is 57802752, while the sum is 64.

The spelling of 68874781124260 in words is "sixty-eight trillion, eight hundred seventy-four billion, seven hundred eighty-one million, one hundred twenty-four thousand, two hundred sixty".