647598455 has 48 divisors (see below), whose sum is σ = 933742080. Its totient is φ = 429710400.

The previous prime is 647598433. The next prime is 647598461. The reversal of 647598455 is 554895746.

It is not a de Polignac number, because 647598455 - 2²⁸ = 379162999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 647598397 and 647598406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1025990 + ... + 1026620.

It is an arithmetic number, because the mean of its divisors is an integer number (19452960).

Almost surely, 2^647598455 is an apocalyptic number.

647598455 is a deficient number, since it is larger than the sum of its proper divisors (286143625).

647598455 is a wasteful number, since it uses less digits than its factorization.

647598455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 773 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 53.

The square root of 647598455 is about 25447.9558118133. The cubic root of 647598455 is about 865.1709620093.

The spelling of 647598455 in words is "six hundred forty-seven million, five hundred ninety-eight thousand, four hundred fifty-five".