68874387439 has 16 divisors (see below), whose sum is σ = 81458445600. Its totient is φ = 57408773760.

The previous prime is 68874387427. The next prime is 68874387457. The reversal of 68874387439 is 93478347886.

It is not a de Polignac number, because 68874387439 - 2⁷ = 68874387311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68874387499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1594932 + ... + 1637545.

It is an arithmetic number, because the mean of its divisors is an integer number (5091152850).

Almost surely, 2^68874387439 is an apocalyptic number.

68874387439 is a deficient number, since it is larger than the sum of its proper divisors (12584058161).

68874387439 is a wasteful number, since it uses less digits than its factorization.

68874387439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232650.

The product of its digits is 195084288, while the sum is 67.

The spelling of 68874387439 in words is "sixty-eight billion, eight hundred seventy-four million, three hundred eighty-seven thousand, four hundred thirty-nine".