4523778920860 has 24 divisors (see below), whose sum is σ = 9549158206896. Its totient is φ = 1800135859200.

The previous prime is 4523778920669. The next prime is 4523778920911. The reversal of 4523778920860 is 680298773254.

It is a super-2 number, since 2×4523778920860² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585977866 + ... + 585985585.

It is an arithmetic number, because the mean of its divisors is an integer number (397881591954).

Almost surely, 2^{4523778920860} is an apocalyptic number.

It is an amenable number.

4523778920860 is an abundant number, since it is smaller than the sum of its proper divisors (5025379286036).

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

4523778920860 is a wasteful number, since it uses less digits than its factorization.

4523778920860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171963653 (or 1171963651 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 4523778920860 in words is "four trillion, five hundred twenty-three billion, seven hundred seventy-eight million, nine hundred twenty thousand, eight hundred sixty".