255623677 has 4 divisors (see below), whose sum is σ = 255748480. Its totient is φ = 255498876.

The previous prime is 255623653. The next prime is 255623699. The reversal of 255623677 is 776326552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255623677 - 2²³ = 247235069 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 (255623617) 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 3 ways as a sum of consecutive naturals, for example, 59277 + ... + 63442.

It is an arithmetic number, because the mean of its divisors is an integer number (63937120).

Almost surely, 2^255623677 is an apocalyptic number.

It is an amenable number.

255623677 is a deficient number, since it is larger than the sum of its proper divisors (124803).

255623677 is a wasteful number, since it uses less digits than its factorization.

255623677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124802.

The product of its digits is 529200, while the sum is 43.

The square root of 255623677 is about 15988.2355812016. The cubic root of 255623677 is about 634.6491351197.

The spelling of 255623677 in words is "two hundred fifty-five million, six hundred twenty-three thousand, six hundred seventy-seven".