69928370780 has 24 divisors (see below), whose sum is σ = 146879036640. Its totient is φ = 27965737280.

The previous prime is 69928370747. The next prime is 69928370803. The reversal of 69928370780 is 8707382996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247760 + ... + 448599.

It is an arithmetic number, because the mean of its divisors is an integer number (6119959860).

Almost surely, 2^69928370780 is an apocalyptic number.

It is an amenable number.

69928370780 is an abundant number, since it is smaller than the sum of its proper divisors (76950665860).

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

69928370780 is a wasteful number, since it uses less digits than its factorization.

69928370780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701389 (or 701387 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 69928370780 in words is "sixty-nine billion, nine hundred twenty-eight million, three hundred seventy thousand, seven hundred eighty".