677525563 has 24 divisors (see below), whose sum is σ = 803815056. Its totient is φ = 566092800.

The previous prime is 677525557. The next prime is 677525591. The reversal of 677525563 is 365525776.

It is not a de Polignac number, because 677525563 - 2²⁵ = 643971131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (677529563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 521731 + ... + 523027.

It is an arithmetic number, because the mean of its divisors is an integer number (33492294).

Almost surely, 2^677525563 is an apocalyptic number.

677525563 is a deficient number, since it is larger than the sum of its proper divisors (126289493).

677525563 is a wasteful number, since it uses less digits than its factorization.

677525563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615 (or 1602 counting only the distinct ones).

The product of its digits is 1323000, while the sum is 46.

The square root of 677525563 is about 26029.3212166587. The cubic root of 677525563 is about 878.2980029244.

The spelling of 677525563 in words is "six hundred seventy-seven million, five hundred twenty-five thousand, five hundred sixty-three".