69920789328 has 320 divisors, whose sum is σ = 223883170560. Its totient is φ = 20756736000.

The previous prime is 69920789303. The next prime is 69920789333. The reversal of 69920789328 is 82398702996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18154603 + ... + 18158453.

It is an arithmetic number, because the mean of its divisors is an integer number (699634908).

Almost surely, 2^69920789328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69920789328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111941585280).

69920789328 is an abundant number, since it is smaller than the sum of its proper divisors (153962381232).

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

69920789328 is a wasteful number, since it uses less digits than its factorization.

69920789328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995 (or 3983 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 69920789328 in words is "sixty-nine billion, nine hundred twenty million, seven hundred eighty-nine thousand, three hundred twenty-eight".