648076846872 has 128 divisors (see below), whose sum is σ = 2047976985600. Its totient is φ = 166301849088.

The previous prime is 648076846861. The next prime is 648076846919. The reversal of 648076846872 is 278648670846.

648076846872 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3929172 + ... + 4090787.

It is an arithmetic number, because the mean of its divisors is an integer number (15999820200).

Almost surely, 2^648076846872 is an apocalyptic number.

It is an amenable number.

648076846872 is an abundant number, since it is smaller than the sum of its proper divisors (1399900138728).

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

648076846872 is a wasteful number, since it uses less digits than its factorization.

648076846872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8020025 (or 8020021 counting only the distinct ones).

The product of its (nonzero) digits is 173408256, while the sum is 66.

The spelling of 648076846872 in words is "six hundred forty-eight billion, seventy-six million, eight hundred forty-six thousand, eight hundred seventy-two".