8025724881 has 24 divisors (see below), whose sum is σ = 11984733696. Its totient is φ = 5170072320.

The previous prime is 8025724853. The next prime is 8025724933. The reversal of 8025724881 is 1884275208.

It is a happy number.

8025724881 is a `hidden beast` number, since 80 + 25 + 72 + 488 + 1 = 666.

It is not a de Polignac number, because 8025724881 - 2¹⁸ = 8025462737 is a prime.

It is a super-2 number, since 2×8025724881² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8025724081) 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, 166396 + ... + 209138.

It is an arithmetic number, because the mean of its divisors is an integer number (499363904).

Almost surely, 2^8025724881 is an apocalyptic number.

It is an amenable number.

8025724881 is a deficient number, since it is larger than the sum of its proper divisors (3959008815).

8025724881 is a wasteful number, since it uses less digits than its factorization.

8025724881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43453 (or 43450 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The square root of 8025724881 is about 89586.4101356897. The cubic root of 8025724881 is about 2002.1414463687.

The spelling of 8025724881 in words is "eight billion, twenty-five million, seven hundred twenty-four thousand, eight hundred eighty-one".