47998237225 has 27 divisors (see below), whose sum is σ = 60993995223. Its totient is φ = 37468793040.

The previous prime is 47998237213. The next prime is 47998237229. The reversal of 47998237225 is 52273289974.

It is a happy number.

The square root of 47998237225 is 219085.

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

It can be written as a sum of positive squares in only one way, i.e., 17279365401 + 30718871824 = 131451^2 + 175268^2 .

It is not a de Polignac number, because 47998237225 - 2¹⁹ = 47997712937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47998237225.

It is not an unprimeable number, because it can be changed into a prime (47998237229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 47102766 + ... + 47103784.

Almost surely, 2^47998237225 is an apocalyptic number.

47998237225 is the 219085-th square number.

47998237225 is the 109543-rd centered octagonal number.

It is an amenable number.

47998237225 is a deficient number, since it is larger than the sum of its proper divisors (12995757998).

47998237225 is an frugal number, since it uses more digits than its factorization.

47998237225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134 (or 1067 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 58.

The spelling of 47998237225 in words is "forty-seven billion, nine hundred ninety-eight million, two hundred thirty-seven thousand, two hundred twenty-five".