247023064860 has 576 divisors, whose sum is σ = 865505088000. Its totient is φ = 52037406720.

The previous prime is 247023064859. The next prime is 247023064867. The reversal of 247023064860 is 68460320742.

It is a super-2 number, since 2×247023064860² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247023064867) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 485310286 + ... + 485310794.

It is an arithmetic number, because the mean of its divisors is an integer number (1502613000).

Almost surely, 2^247023064860 is an apocalyptic number.

247023064860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247023064860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432752544000).

247023064860 is an abundant number, since it is smaller than the sum of its proper divisors (618482023140).

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

247023064860 is a wasteful number, since it uses less digits than its factorization.

247023064860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 247023064860 in words is "two hundred forty-seven billion, twenty-three million, sixty-four thousand, eight hundred sixty".