68935822853986 has 16 divisors (see below), whose sum is σ = 112805513965440. Its totient is φ = 31334064876880.

The previous prime is 68935822853983. The next prime is 68935822854023.

It is a happy number.

68935822853986 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×68935822853986² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68935822853983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18237061 + ... + 21690136.

It is an arithmetic number, because the mean of its divisors is an integer number (7050344622840).

Almost surely, 2^{68935822853986} is an apocalyptic number.

68935822853986 is a deficient number, since it is larger than the sum of its proper divisors (43869691111454).

68935822853986 is a wasteful number, since it uses less digits than its factorization.

68935822853986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40005689.

The product of its digits is 10749542400, while the sum is 82.

The spelling of 68935822853986 in words is "sixty-eight trillion, nine hundred thirty-five billion, eight hundred twenty-two million, eight hundred fifty-three thousand, nine hundred eighty-six".