255477051447 has 8 divisors (see below), whose sum is σ = 355446332544. Its totient is φ = 162912902328.

The previous prime is 255477051439. The next prime is 255477051451. The reversal of 255477051447 is 744150774552.

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

It is not a de Polignac number, because 255477051447 - 2³ = 255477051439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255477051447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255477051407) 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, 1851282913 + ... + 1851283050.

It is an arithmetic number, because the mean of its divisors is an integer number (44430791568).

Almost surely, 2^255477051447 is an apocalyptic number.

255477051447 is a deficient number, since it is larger than the sum of its proper divisors (99969281097).

255477051447 is a wasteful number, since it uses less digits than its factorization.

255477051447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702565989.

The product of its (nonzero) digits is 5488000, while the sum is 51.

The spelling of 255477051447 in words is "two hundred fifty-five billion, four hundred seventy-seven million, fifty-one thousand, four hundred forty-seven".