947718485616 has 120 divisors (see below), whose sum is σ = 2853201192960. Its totient is φ = 270281321856.

The previous prime is 947718485603. The next prime is 947718485671. The reversal of 947718485616 is 616584817749.

947718485616 is digitally balanced in base 2 and base 4, 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 23 ways as a sum of consecutive naturals, for example, 918225 + ... + 1654863.

It is an arithmetic number, because the mean of its divisors is an integer number (23776676608).

Almost surely, 2^947718485616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 947718485616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1426600596480).

947718485616 is an abundant number, since it is smaller than the sum of its proper divisors (1905482707344).

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

947718485616 is a wasteful number, since it uses less digits than its factorization.

947718485616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737211 (or 737198 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 66.

The spelling of 947718485616 in words is "nine hundred forty-seven billion, seven hundred eighteen million, four hundred eighty-five thousand, six hundred sixteen".