247993378152 has 256 divisors, whose sum is σ = 707474718720. Its totient is φ = 71898624000.

The previous prime is 247993378097. The next prime is 247993378187. The reversal of 247993378152 is 251873399742.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 166773553 + ... + 166775039.

It is an arithmetic number, because the mean of its divisors is an integer number (2763573120).

Almost surely, 2^247993378152 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 247993378152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353737359360).

247993378152 is an abundant number, since it is smaller than the sum of its proper divisors (459481340568).

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

247993378152 is a wasteful number, since it uses less digits than its factorization.

247993378152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984 (or 1980 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 60.

The spelling of 247993378152 in words is "two hundred forty-seven billion, nine hundred ninety-three million, three hundred seventy-eight thousand, one hundred fifty-two".