25002783252828 has 48 divisors (see below), whose sum is σ = 64913458260000. Its totient is φ = 8322506106624.

The previous prime is 25002783252803. The next prime is 25002783252877. The reversal of 25002783252828 is 82825238720052.

It is a happy number.

25002783252828 is a `hidden beast` number, since 2 + 5 + 0 + 0 + 278 + 325 + 28 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163186653 + ... + 163339796.

It is an arithmetic number, because the mean of its divisors is an integer number (1352363713750).

Almost surely, 2^{25002783252828} is an apocalyptic number.

It is an amenable number.

25002783252828 is an abundant number, since it is smaller than the sum of its proper divisors (39910675007172).

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

25002783252828 is a wasteful number, since it uses less digits than its factorization.

25002783252828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326527171 (or 326527163 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 54.

The spelling of 25002783252828 in words is "twenty-five trillion, two billion, seven hundred eighty-three million, two hundred fifty-two thousand, eight hundred twenty-eight".