287220874060460 has 48 divisors (see below), whose sum is σ = 610092435365280. Its totient is φ = 113569257500160.

The previous prime is 287220874060453. The next prime is 287220874060499. The reversal of 287220874060460 is 64060478022782.

It is a junction number, because it is equal to n+sod(n) for n = 287220874060396 and 287220874060405.

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, 12866711 + ... + 27202830.

It is an arithmetic number, because the mean of its divisors is an integer number (12710259070110).

Almost surely, 2^{287220874060460} is an apocalyptic number.

287220874060460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

287220874060460 is an abundant number, since it is smaller than the sum of its proper divisors (322871561304820).

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

287220874060460 is a wasteful number, since it uses less digits than its factorization.

287220874060460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40073666 (or 40073664 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 56.

The spelling of 287220874060460 in words is "two hundred eighty-seven trillion, two hundred twenty billion, eight hundred seventy-four million, sixty thousand, four hundred sixty".