255377749 has 8 divisors (see below), whose sum is σ = 278739648. Its totient is φ = 232040160.

The previous prime is 255377729. The next prime is 255377753. The reversal of 255377749 is 947773552.

255377749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-255377749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255377719) 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, 21264 + ... + 31030.

It is an arithmetic number, because the mean of its divisors is an integer number (34842456).

Almost surely, 2^255377749 is an apocalyptic number.

It is an amenable number.

255377749 is a deficient number, since it is larger than the sum of its proper divisors (23361899).

255377749 is a wasteful number, since it uses less digits than its factorization.

255377749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12155.

The product of its digits is 1852200, while the sum is 49.

The square root of 255377749 is about 15980.5428255739. The cubic root of 255377749 is about 634.4455440782.

The spelling of 255377749 in words is "two hundred fifty-five million, three hundred seventy-seven thousand, seven hundred forty-nine".