655055077 has 16 divisors (see below), whose sum is σ = 707840320. Its totient is φ = 605873520.

The previous prime is 655055069. The next prime is 655055113. The reversal of 655055077 is 770550556.

655055077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 655055077 - 2³ = 655055069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655055057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293827 + ... + 296047.

It is an arithmetic number, because the mean of its divisors is an integer number (44240020).

Almost surely, 2^655055077 is an apocalyptic number.

It is an amenable number.

655055077 is a deficient number, since it is larger than the sum of its proper divisors (52785243).

655055077 is an equidigital number, since it uses as much as digits as its factorization.

655055077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 183750, while the sum is 40.

The square root of 655055077 is about 25594.0437797547. The cubic root of 655055077 is about 868.4789015090.

The spelling of 655055077 in words is "six hundred fifty-five million, fifty-five thousand, seventy-seven".