747557475255 has 24 divisors (see below), whose sum is σ = 1301187925440. Its totient is φ = 397029124800.

The previous prime is 747557475251. The next prime is 747557475281. The reversal of 747557475255 is 552574755747.

747557475255 is a `hidden beast` number, since 7 + 4 + 7 + 5 + 574 + 7 + 5 + 2 + 55 = 666.

It is not a de Polignac number, because 747557475255 - 2² = 747557475251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 747557475192 and 747557475201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747557475251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34743196 + ... + 34764705.

It is an arithmetic number, because the mean of its divisors is an integer number (54216163560).

Almost surely, 2^747557475255 is an apocalyptic number.

747557475255 is a deficient number, since it is larger than the sum of its proper divisors (553630450185).

747557475255 is a wasteful number, since it uses less digits than its factorization.

747557475255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69508151 (or 69508148 counting only the distinct ones).

The product of its digits is 240100000, while the sum is 63.

The spelling of 747557475255 in words is "seven hundred forty-seven billion, five hundred fifty-seven million, four hundred seventy-five thousand, two hundred fifty-five".