68389774867594 has 8 divisors (see below), whose sum is σ = 103105396628388. Its totient is φ = 34021309324800.

The previous prime is 68389774867483. The next prime is 68389774867657. The reversal of 68389774867594 is 49576847798386.

It can be written as a sum of positive squares in 2 ways, for example, as 39810989064025 + 28578785803569 = 6309595^2 + 5345913^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×68389774867594² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68389774867499 and 68389774867508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86789054007 + ... + 86789054794.

Almost surely, 2^{68389774867594} is an apocalyptic number.

68389774867594 is a deficient number, since it is larger than the sum of its proper divisors (34715621760794).

68389774867594 is a wasteful number, since it uses less digits than its factorization.

68389774867594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173578109000.

The product of its digits is 122903101440, while the sum is 91.

The spelling of 68389774867594 in words is "sixty-eight trillion, three hundred eighty-nine billion, seven hundred seventy-four million, eight hundred sixty-seven thousand, five hundred ninety-four".