4617322778620 has 48 divisors (see below), whose sum is σ = 9820444233600. Its totient is φ = 1823303738880.

The previous prime is 4617322778617. The next prime is 4617322778657. The reversal of 4617322778620 is 268772237164.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11721016 + ... + 12108544.

It is an arithmetic number, because the mean of its divisors is an integer number (204592588200).

Almost surely, 2^{4617322778620} is an apocalyptic number.

It is an amenable number.

4617322778620 is an abundant number, since it is smaller than the sum of its proper divisors (5203121454980).

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

4617322778620 is a wasteful number, since it uses less digits than its factorization.

4617322778620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395158 (or 395156 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 55.

The spelling of 4617322778620 in words is "four trillion, six hundred seventeen billion, three hundred twenty-two million, seven hundred seventy-eight thousand, six hundred twenty".