287125990 has 16 divisors (see below), whose sum is σ = 517084560. Its totient is φ = 114793120.

The previous prime is 287125973. The next prime is 287126003. The reversal of 287125990 is 99521782.

287125990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 18156 + ... + 30064.

It is an arithmetic number, because the mean of its divisors is an integer number (32317785).

Almost surely, 2^287125990 is an apocalyptic number.

287125990 is a deficient number, since it is larger than the sum of its proper divisors (229958570).

287125990 is a wasteful number, since it uses less digits than its factorization.

287125990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14327.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 287125990 is about 16944.7924153706. The cubic root of 287125990 is about 659.7167364180.

The spelling of 287125990 in words is "two hundred eighty-seven million, one hundred twenty-five thousand, nine hundred ninety".