655375577 has 8 divisors (see below), whose sum is σ = 661103520. Its totient is φ = 649658880.

The previous prime is 655375571. The next prime is 655375597. The reversal of 655375577 is 775573556.

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 655375577 - 2¹⁰ = 655374553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655375571) 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, 148874 + ... + 153212.

It is an arithmetic number, because the mean of its divisors is an integer number (82637940).

Almost surely, 2^655375577 is an apocalyptic number.

It is an amenable number.

655375577 is a deficient number, since it is larger than the sum of its proper divisors (5727943).

655375577 is a wasteful number, since it uses less digits than its factorization.

655375577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623.

The product of its digits is 3858750, while the sum is 50.

The square root of 655375577 is about 25600.3042364734. The cubic root of 655375577 is about 868.6205191704.

The spelling of 655375577 in words is "six hundred fifty-five million, three hundred seventy-five thousand, five hundred seventy-seven".