247327097472 has 768 divisors, whose sum is σ = 928283166720. Its totient is φ = 61421690880.

The previous prime is 247327097453. The next prime is 247327097551. The reversal of 247327097472 is 274790723742.

247327097472 is a `hidden beast` number, since 247 + 3 + 270 + 97 + 47 + 2 = 666.

It is a super-2 number, since 2×247327097472² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 161545347 + ... + 161546877.

It is an arithmetic number, because the mean of its divisors is an integer number (1208702040).

Almost surely, 2^247327097472 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 247327097472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464141583360).

247327097472 is an abundant number, since it is smaller than the sum of its proper divisors (680956069248).

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

247327097472 is a wasteful number, since it uses less digits than its factorization.

247327097472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 54.

The spelling of 247327097472 in words is "two hundred forty-seven billion, three hundred twenty-seven million, ninety-seven thousand, four hundred seventy-two".