69138073776 has 20 divisors (see below), whose sum is σ = 178606690712. Its totient is φ = 23046024576.

The previous prime is 69138073751. The next prime is 69138073787. The reversal of 69138073776 is 67737083196.

It is a happy 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, 720188221 + ... + 720188316.

Almost surely, 2^69138073776 is an apocalyptic number.

It is an amenable number.

69138073776 is an abundant number, since it is smaller than the sum of its proper divisors (109468616936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69138073776 is a wasteful number, since it uses less digits than its factorization.

69138073776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440376548 (or 1440376542 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 57.

The spelling of 69138073776 in words is "sixty-nine billion, one hundred thirty-eight million, seventy-three thousand, seven hundred seventy-six".