647527463 has 16 divisors (see below), whose sum is σ = 724118400. Its totient is φ = 574068000.

The previous prime is 647527381. The next prime is 647527483. The reversal of 647527463 is 364725746.

647527463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 647527463 - 2¹² = 647523367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647527483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70088 + ... + 78786.

It is an arithmetic number, because the mean of its divisors is an integer number (45257400).

Almost surely, 2^647527463 is an apocalyptic number.

647527463 is a deficient number, since it is larger than the sum of its proper divisors (76590937).

647527463 is a wasteful number, since it uses less digits than its factorization.

647527463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8878.

The product of its digits is 846720, while the sum is 44.

The square root of 647527463 is about 25446.5609267736. The cubic root of 647527463 is about 865.1393465018.

The spelling of 647527463 in words is "six hundred forty-seven million, five hundred twenty-seven thousand, four hundred sixty-three".