655420760275 has 12 divisors (see below), whose sum is σ = 812808964000. Its totient is φ = 524280336480.

The previous prime is 655420760257. The next prime is 655420760279. The reversal of 655420760275 is 572067024556.

It is not a de Polignac number, because 655420760275 - 2³⁷ = 517981806803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (655420760279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1168395 + ... + 1635844.

Almost surely, 2^655420760275 is an apocalyptic number.

655420760275 is a deficient number, since it is larger than the sum of its proper divisors (157388203725).

655420760275 is a wasteful number, since it uses less digits than its factorization.

655420760275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813598 (or 2813593 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 655420760275 in words is "six hundred fifty-five billion, four hundred twenty million, seven hundred sixty thousand, two hundred seventy-five".