68097076858 has 4 divisors (see below), whose sum is σ = 102145615290. Its totient is φ = 34048538428.

The previous prime is 68097076849. The next prime is 68097076891. The reversal of 68097076858 is 85867079086.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 66189396529 + 1907680329 = 257273^2 + 43677^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68097076858.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17024269213 + ... + 17024269216.

Almost surely, 2^68097076858 is an apocalyptic number.

68097076858 is a deficient number, since it is larger than the sum of its proper divisors (34048538432).

68097076858 is a wasteful number, since it uses less digits than its factorization.

68097076858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34048538431.

The product of its (nonzero) digits is 40642560, while the sum is 64.

The spelling of 68097076858 in words is "sixty-eight billion, ninety-seven million, seventy-six thousand, eight hundred fifty-eight".