247933712920 has 64 divisors (see below), whose sum is σ = 577439585280. Its totient is φ = 95733259776.

The previous prime is 247933712911. The next prime is 247933712963. The reversal of 247933712920 is 29217339742.

247933712920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247933712920² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471579 + ... + 847498.

It is an arithmetic number, because the mean of its divisors is an integer number (9022493520).

Almost surely, 2^247933712920 is an apocalyptic number.

247933712920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

247933712920 is an abundant number, since it is smaller than the sum of its proper divisors (329505872360).

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

247933712920 is a wasteful number, since it uses less digits than its factorization.

247933712920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319252 (or 1319248 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 49.

The spelling of 247933712920 in words is "two hundred forty-seven billion, nine hundred thirty-three million, seven hundred twelve thousand, nine hundred twenty".