68006781038 has 16 divisors (see below), whose sum is σ = 116595224064. Its totient is φ = 29142720600.

The previous prime is 68006780971. The next prime is 68006781097. The reversal of 68006781038 is 83018760086.

68006781038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 68006780983 and 68006781001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111938 + ... + 385413.

It is an arithmetic number, because the mean of its divisors is an integer number (7287201504).

Almost surely, 2^68006781038 is an apocalyptic number.

68006781038 is a deficient number, since it is larger than the sum of its proper divisors (48588443026).

68006781038 is a wasteful number, since it uses less digits than its factorization.

68006781038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507127.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 68006781038 in words is "sixty-eight billion, six million, seven hundred eighty-one thousand, thirty-eight".