947453722722 has 96 divisors (see below), whose sum is σ = 2224502699328. Its totient is φ = 289708967808.

The previous prime is 947453722697. The next prime is 947453722739. The reversal of 947453722722 is 227227354749.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129660193 + ... + 129667499.

It is an arithmetic number, because the mean of its divisors is an integer number (23171903118).

Almost surely, 2^947453722722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 947453722722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1112251349664).

947453722722 is an abundant number, since it is smaller than the sum of its proper divisors (1277048976606).

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

947453722722 is a wasteful number, since it uses less digits than its factorization.

947453722722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10704 (or 10701 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 54.

The spelling of 947453722722 in words is "nine hundred forty-seven billion, four hundred fifty-three million, seven hundred twenty-two thousand, seven hundred twenty-two".