68779623 has 8 divisors (see below), whose sum is σ = 100043136. Its totient is φ = 41684600.

The previous prime is 68779621. The next prime is 68779657. The reversal of 68779623 is 32697786.

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

It is a cyclic number.

It is not a de Polignac number, because 68779623 - 2¹ = 68779621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68779621) 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, 1042083 + ... + 1042148.

It is an arithmetic number, because the mean of its divisors is an integer number (12505392).

Almost surely, 2^68779623 is an apocalyptic number.

68779623 is a deficient number, since it is larger than the sum of its proper divisors (31263513).

68779623 is a wasteful number, since it uses less digits than its factorization.

68779623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084245.

The product of its digits is 762048, while the sum is 48.

The square root of 68779623 is about 8293.3481176181. The cubic root of 68779623 is about 409.7194650431.

The spelling of 68779623 in words is "sixty-eight million, seven hundred seventy-nine thousand, six hundred twenty-three".