25774510668 has 48 divisors (see below), whose sum is σ = 63401447424. Its totient is φ = 8137451520.

The previous prime is 25774510661. The next prime is 25774510673. The reversal of 25774510668 is 86601547752.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25774510668.

It is not an unprimeable number, because it can be changed into a prime (25774510661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719605 + ... + 754572.

It is an arithmetic number, because the mean of its divisors is an integer number (1320863488).

Almost surely, 2^25774510668 is an apocalyptic number.

It is an amenable number.

25774510668 is an abundant number, since it is smaller than the sum of its proper divisors (37626936756).

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

25774510668 is a wasteful number, since it uses less digits than its factorization.

25774510668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474262 (or 1474260 counting only the distinct ones).

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

The spelling of 25774510668 in words is "twenty-five billion, seven hundred seventy-four million, five hundred ten thousand, six hundred sixty-eight".