655468287 has 8 divisors (see below), whose sum is σ = 875345280. Its totient is φ = 436285080.

The previous prime is 655468279. The next prime is 655468301. The reversal of 655468287 is 782864556.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 655468287 - 2³ = 655468279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655468217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171237 + ... + 175022.

It is an arithmetic number, because the mean of its divisors is an integer number (109418160).

Almost surely, 2^655468287 is an apocalyptic number.

655468287 is a deficient number, since it is larger than the sum of its proper divisors (219876993).

655468287 is a wasteful number, since it uses less digits than its factorization.

655468287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346893.

The product of its digits is 3225600, while the sum is 51.

The square root of 655468287 is about 25602.1148931099. The cubic root of 655468287 is about 868.6614758443.

The spelling of 655468287 in words is "six hundred fifty-five million, four hundred sixty-eight thousand, two hundred eighty-seven".