69778687796 has 12 divisors (see below), whose sum is σ = 122122378560. Its totient is φ = 34886579640.

The previous prime is 69778687787. The next prime is 69778687819.

69778687796 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 69778687796.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633740 + ... + 735651.

It is an arithmetic number, because the mean of its divisors is an integer number (10176864880).

Almost surely, 2^69778687796 is an apocalyptic number.

It is an amenable number.

69778687796 is a deficient number, since it is larger than the sum of its proper divisors (52343690764).

69778687796 is a wasteful number, since it uses less digits than its factorization.

69778687796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382134 (or 1382132 counting only the distinct ones).

The product of its digits is 2688505344, while the sum is 80.

The spelling of 69778687796 in words is "sixty-nine billion, seven hundred seventy-eight million, six hundred eighty-seven thousand, seven hundred ninety-six".