725477774527 has 6 divisors (see below), whose sum is σ = 797425983704. Its totient is φ = 659525249460.

The previous prime is 725477774513. The next prime is 725477774533.

725477774527 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 725477774527 - 2¹⁵ = 725477741759 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 (725477775527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2997841923 + ... + 2997842164.

Almost surely, 2^725477774527 is an apocalyptic number.

725477774527 is a deficient number, since it is larger than the sum of its proper divisors (71948209177).

725477774527 is a wasteful number, since it uses less digits than its factorization.

725477774527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5995684109 (or 5995684098 counting only the distinct ones).

The product of its digits is 188238400, while the sum is 64.

The spelling of 725477774527 in words is "seven hundred twenty-five billion, four hundred seventy-seven million, seven hundred seventy-four thousand, five hundred twenty-seven".