391052888255 has 8 divisors (see below), whose sum is σ = 469291352400. Its totient is φ = 312823719616.

The previous prime is 391052888189. The next prime is 391052888257. The reversal of 391052888255 is 552888250193.

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

It is a cyclic number.

It is not a de Polignac number, because 391052888255 - 2²⁰ = 391051839679 is a prime.

It is a super-2 number, since 2×391052888255² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 391052888255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (391052888257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2230985 + ... + 2399874.

It is an arithmetic number, because the mean of its divisors is an integer number (58661419050).

Almost surely, 2^391052888255 is an apocalyptic number.

391052888255 is a deficient number, since it is larger than the sum of its proper divisors (78238464145).

391052888255 is a wasteful number, since it uses less digits than its factorization.

391052888255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4647753.

The product of its (nonzero) digits is 6912000, while the sum is 56.

The spelling of 391052888255 in words is "three hundred ninety-one billion, fifty-two million, eight hundred eighty-eight thousand, two hundred fifty-five".