947412531780 has 768 divisors, whose sum is σ = 3252313838592. Its totient is φ = 203046912000.

The previous prime is 947412531749. The next prime is 947412531781. The reversal of 947412531780 is 87135214749.

It is not an unprimeable number, because it can be changed into a prime (947412531781) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 5234323290 + ... + 5234323470.

It is an arithmetic number, because the mean of its divisors is an integer number (4234783644).

Almost surely, 2^947412531780 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 947412531780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1626156919296).

947412531780 is an abundant number, since it is smaller than the sum of its proper divisors (2304901306812).

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

947412531780 is a wasteful number, since it uses less digits than its factorization.

947412531780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 947412531780 in words is "nine hundred forty-seven billion, four hundred twelve million, five hundred thirty-one thousand, seven hundred eighty".