69068794787 has 4 divisors (see below), whose sum is σ = 69526204176. Its totient is φ = 68611385400.

The previous prime is 69068794783. The next prime is 69068794793. The reversal of 69068794787 is 78749786096.

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

It is a cyclic number.

It is not a de Polignac number, because 69068794787 - 2² = 69068794783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69068794787.

It is not an unprimeable number, because it can be changed into a prime (69068794783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228704468 + ... + 228704769.

It is an arithmetic number, because the mean of its divisors is an integer number (17381551044).

Almost surely, 2^69068794787 is an apocalyptic number.

69068794787 is a deficient number, since it is larger than the sum of its proper divisors (457409389).

69068794787 is a wasteful number, since it uses less digits than its factorization.

69068794787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457409388.

The product of its (nonzero) digits is 256048128, while the sum is 71.

The spelling of 69068794787 in words is "sixty-nine billion, sixty-eight million, seven hundred ninety-four thousand, seven hundred eighty-seven".