8237789724025 has 9 divisors (see below), whose sum is σ = 10214877052783. Its totient is φ = 6590220298600.

The previous prime is 8237789724001. The next prime is 8237789724037. The reversal of 8237789724025 is 5204279877328.

The square root of 8237789724025 is 2870155.

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., 2965604300649 + 5272185423376 = 1722093^2 + 2296124^2 .

It is not a de Polignac number, because 8237789724025 - 2¹¹ = 8237789721977 is a prime.

It is a super-2 number, since 2×8237789724025² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14063760 + ... + 14637790.

Almost surely, 2^{8237789724025} is an apocalyptic number.

8237789724025 is the 2870155-th square number.

8237789724025 is the 1435078-th centered octagonal number.

It is an amenable number.

8237789724025 is a deficient number, since it is larger than the sum of its proper divisors (1977087328758).

8237789724025 is an frugal number, since it uses more digits than its factorization.

8237789724025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148072 (or 574036 counting only the distinct ones).

The product of its (nonzero) digits is 94832640, while the sum is 64.

Multiplying 8237789724025 by its sum of digits (64), we get a square (527218542337600 = 22961240²).

The spelling of 8237789724025 in words is "eight trillion, two hundred thirty-seven billion, seven hundred eighty-nine million, seven hundred twenty-four thousand, twenty-five".