785540660 has 24 divisors (see below), whose sum is σ = 1653958656. Its totient is φ = 313392800.

The previous prime is 785540653. The next prime is 785540669. The reversal of 785540660 is 66045587.

785540660 is digitally balanced in base 2, because in such base 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 (785540669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43616 + ... + 58935.

It is an arithmetic number, because the mean of its divisors is an integer number (68914944).

Almost surely, 2^785540660 is an apocalyptic number.

It is an amenable number.

785540660 is an abundant number, since it is smaller than the sum of its proper divisors (868417996).

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

785540660 is a wasteful number, since it uses less digits than its factorization.

785540660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102943 (or 102941 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 785540660 is about 28027.4982829363. The cubic root of 785540660 is about 922.6908695519.

The spelling of 785540660 in words is "seven hundred eighty-five million, five hundred forty thousand, six hundred sixty".