655065877 has 8 divisors (see below), whose sum is σ = 662237856. Its totient is φ = 647913552.

The previous prime is 655065847. The next prime is 655065923. The reversal of 655065877 is 778560556.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655065877 is a prime.

It is a super-2 number, since 2×655065877² = 858222606419558258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 655065877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655065847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67918 + ... + 76960.

It is an arithmetic number, because the mean of its divisors is an integer number (82779732).

Almost surely, 2^655065877 is an apocalyptic number.

It is an amenable number.

655065877 is a deficient number, since it is larger than the sum of its proper divisors (7171979).

655065877 is a wasteful number, since it uses less digits than its factorization.

655065877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9827.

The product of its (nonzero) digits is 1764000, while the sum is 49.

The square root of 655065877 is about 25594.2547654742. The cubic root of 655065877 is about 868.4836744005.

It can be divided in two parts, 6550 and 65877, that added together give a palindrome (72427).

The spelling of 655065877 in words is "six hundred fifty-five million, sixty-five thousand, eight hundred seventy-seven".