68779029 has 16 divisors (see below), whose sum is σ = 101251584. Its totient is φ = 41180400.

The previous prime is 68779027. The next prime is 68779043. The reversal of 68779029 is 92097786.

It is not a de Polignac number, because 68779029 - 2¹ = 68779027 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68779021) 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, 9817 + ... + 15294.

It is an arithmetic number, because the mean of its divisors is an integer number (6328224).

Almost surely, 2^68779029 is an apocalyptic number.

It is an amenable number.

68779029 is a deficient number, since it is larger than the sum of its proper divisors (32472555).

68779029 is a wasteful number, since it uses less digits than its factorization.

68779029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25208.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 68779029 is about 8293.3123057075. The cubic root of 68779029 is about 409.7182855559.

The spelling of 68779029 in words is "sixty-eight million, seven hundred seventy-nine thousand, twenty-nine".