830780345502 has 32 divisors (see below), whose sum is σ = 1859460422400. Its totient is φ = 274934500344.

The previous prime is 830780345489. The next prime is 830780345503. The reversal of 830780345502 is 205543087038.

830780345502 is a `hidden beast` number, since 8 + 30 + 7 + 80 + 34 + 5 + 502 = 666.

830780345502 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830780345503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55333578 + ... + 55348589.

It is an arithmetic number, because the mean of its divisors is an integer number (58108138200).

Almost surely, 2^830780345502 is an apocalyptic number.

830780345502 is an abundant number, since it is smaller than the sum of its proper divisors (1028680076898).

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

830780345502 is a wasteful number, since it uses less digits than its factorization.

830780345502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110682317 (or 110682311 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 830780345502 in words is "eight hundred thirty billion, seven hundred eighty million, three hundred forty-five thousand, five hundred two".