525464872779 has 24 divisors (see below), whose sum is σ = 880117477120. Its totient is φ = 272968763760.

The previous prime is 525464872747. The next prime is 525464872813. The reversal of 525464872779 is 977278464525.

It is not a de Polignac number, because 525464872779 - 2⁵ = 525464872747 is a prime.

It is a super-2 number, since 2×525464872779² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (525464872279) 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, 103394719 + ... + 103399800.

Almost surely, 2^525464872779 is an apocalyptic number.

525464872779 is a deficient number, since it is larger than the sum of its proper divisors (354652604341).

525464872779 is a wasteful number, since it uses less digits than its factorization.

525464872779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206794551 (or 206794540 counting only the distinct ones).

The product of its digits is 237081600, while the sum is 66.

The spelling of 525464872779 in words is "five hundred twenty-five billion, four hundred sixty-four million, eight hundred seventy-two thousand, seven hundred seventy-nine".