704503640856 has 32 divisors (see below), whose sum is σ = 1762509193200. Its totient is φ = 234667868160.

The previous prime is 704503640839. The next prime is 704503640857. The reversal of 704503640856 is 658046305407.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704503640857) 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, 10382905 + ... + 10450536.

Almost surely, 2^704503640856 is an apocalyptic number.

It is an amenable number.

704503640856 is an abundant number, since it is smaller than the sum of its proper divisors (1058005552344).

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

704503640856 is a wasteful number, since it uses less digits than its factorization.

704503640856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20834859 (or 20834855 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 704503640856 in words is "seven hundred four billion, five hundred three million, six hundred forty thousand, eight hundred fifty-six".