86297875225 has 27 divisors (see below), whose sum is σ = 109759602199. Its totient is φ = 67307436800.

The previous prime is 86297875211. The next prime is 86297875331. The reversal of 86297875225 is 52257879268.

The square root of 86297875225 is 293765.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 70711850889 + 15586024336 = 265917^2 + 124844^2 .

It is not a de Polignac number, because 86297875225 - 2¹⁵ = 86297842457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 60221109 + ... + 60222541.

Almost surely, 2^86297875225 is an apocalyptic number.

86297875225 is the 293765-th square number.

86297875225 is the 146883-rd centered octagonal number.

It is an amenable number.

86297875225 is a deficient number, since it is larger than the sum of its proper divisors (23461726974).

86297875225 is an frugal number, since it uses more digits than its factorization.

86297875225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958 (or 1479 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 61.

The spelling of 86297875225 in words is "eighty-six billion, two hundred ninety-seven million, eight hundred seventy-five thousand, two hundred twenty-five".