68732623786 has 4 divisors (see below), whose sum is σ = 103098935682. Its totient is φ = 34366311892.

The previous prime is 68732623763. The next prime is 68732623807.

68732623786 is nontrivially palindromic in base 10.

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., 62910170761 + 5822453025 = 250819^2 + 76305^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68732623786.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17183155945 + ... + 17183155948.

Almost surely, 2^68732623786 is an apocalyptic number.

68732623786 is a deficient number, since it is larger than the sum of its proper divisors (34366311896).

68732623786 is a wasteful number, since it uses less digits than its factorization.

68732623786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34366311895.

The product of its digits is 24385536, while the sum is 58.

The spelling of 68732623786 in words is "sixty-eight billion, seven hundred thirty-two million, six hundred twenty-three thousand, seven hundred eighty-six".