655790027 has 8 divisors (see below), whose sum is σ = 682278912. Its totient is φ = 629634600.

The previous prime is 655790017. The next prime is 655790029. The reversal of 655790027 is 720097556.

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

It is a cyclic number.

It is not a de Polignac number, because 655790027 - 2¹⁶ = 655724491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655790029) 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 7 ways as a sum of consecutive naturals, for example, 79349 + ... + 87222.

It is an arithmetic number, because the mean of its divisors is an integer number (85284864).

Almost surely, 2^655790027 is an apocalyptic number.

655790027 is a deficient number, since it is larger than the sum of its proper divisors (26488885).

655790027 is a wasteful number, since it uses less digits than its factorization.

655790027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166729.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 655790027 is about 25608.3975875102. The cubic root of 655790027 is about 868.8035815890.

The spelling of 655790027 in words is "six hundred fifty-five million, seven hundred ninety thousand, twenty-seven".