287009006740 has 24 divisors (see below), whose sum is σ = 602787259872. Its totient is φ = 114790584480.

The previous prime is 287009006723. The next prime is 287009006813. The reversal of 287009006740 is 47600900782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631866 + ... + 986545.

It is an arithmetic number, because the mean of its divisors is an integer number (25116135828).

Almost surely, 2^287009006740 is an apocalyptic number.

287009006740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

287009006740 is an abundant number, since it is smaller than the sum of its proper divisors (315778253132).

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

287009006740 is a wasteful number, since it uses less digits than its factorization.

287009006740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627287 (or 1627285 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 287009006740 in words is "two hundred eighty-seven billion, nine million, six thousand, seven hundred forty".