655270902 has 72 divisors (see below), whose sum is σ = 1680670992. Its totient is φ = 183284640.

The previous prime is 655270877. The next prime is 655270907. The reversal of 655270902 is 209072556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655270907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16743 + ... + 39885.

Almost surely, 2^655270902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655270902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (840335496).

655270902 is an abundant number, since it is smaller than the sum of its proper divisors (1025400090).

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

655270902 is a wasteful number, since it uses less digits than its factorization.

655270902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23186 (or 23172 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 655270902 is about 25598.2597455374. The cubic root of 655270902 is about 868.5742720529.

The spelling of 655270902 in words is "six hundred fifty-five million, two hundred seventy thousand, nine hundred two".