25227504798 has 32 divisors (see below), whose sum is σ = 51942522240. Its totient is φ = 8162336160.

The previous prime is 25227504791. The next prime is 25227504817. The reversal of 25227504798 is 89740572252.

It is a super-2 number, since 2×25227504798² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25227504798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25227504791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42588 + ... + 228623.

It is an arithmetic number, because the mean of its divisors is an integer number (1623203820).

Almost surely, 2^25227504798 is an apocalyptic number.

25227504798 is an abundant number, since it is smaller than the sum of its proper divisors (26715017442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25227504798 is a wasteful number, since it uses less digits than its factorization.

25227504798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271672.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 25227504798 in words is "twenty-five billion, two hundred twenty-seven million, five hundred four thousand, seven hundred ninety-eight".