538877356625 has 8 divisors (see below), whose sum is σ = 672518941224. Its totient is φ = 431101885200.

The previous prime is 538877356609. The next prime is 538877356627. The reversal of 538877356625 is 526653778835.

It can be written as a sum of positive squares in 4 ways, for example, as 156156957889 + 382720398736 = 395167^2 + 618644^2 .

It is not a de Polignac number, because 538877356625 - 2⁴ = 538877356609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538877356627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2155509302 + ... + 2155509551.

It is an arithmetic number, because the mean of its divisors is an integer number (84064867653).

Almost surely, 2^538877356625 is an apocalyptic number.

It is an amenable number.

538877356625 is a deficient number, since it is larger than the sum of its proper divisors (133641584599).

538877356625 is an equidigital number, since it uses as much as digits as its factorization.

538877356625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311018868 (or 4311018858 counting only the distinct ones).

The product of its digits is 254016000, while the sum is 65.

The spelling of 538877356625 in words is "five hundred thirty-eight billion, eight hundred seventy-seven million, three hundred fifty-six thousand, six hundred twenty-five".