683918057780 has 24 divisors (see below), whose sum is σ = 1436625150408. Its totient is φ = 273491560448.

The previous prime is 683918057777. The next prime is 683918057827. The reversal of 683918057780 is 87750819386.

683918057780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 19360496164 + 664557561616 = 139142^2 + 815204^2 .

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, 4654769 + ... + 4799448.

It is an arithmetic number, because the mean of its divisors is an integer number (59859381267).

Almost surely, 2^683918057780 is an apocalyptic number.

It is an amenable number.

683918057780 is an abundant number, since it is smaller than the sum of its proper divisors (752707092628).

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

683918057780 is a wasteful number, since it uses less digits than its factorization.

683918057780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9457843 (or 9457841 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 62.

The spelling of 683918057780 in words is "six hundred eighty-three billion, nine hundred eighteen million, fifty-seven thousand, seven hundred eighty".