25342323784 has 8 divisors (see below), whose sum is σ = 47516857110. Its totient is φ = 12671161888.

The previous prime is 25342323767. The next prime is 25342323817. The reversal of 25342323784 is 48732324352.

It can be written as a sum of positive squares in only one way, i.e., 18708221284 + 6634102500 = 136778^2 + 81450^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 25342323784.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1583895229 + ... + 1583895244.

Almost surely, 2^25342323784 is an apocalyptic number.

It is an amenable number.

25342323784 is a deficient number, since it is larger than the sum of its proper divisors (22174533326).

25342323784 is a wasteful number, since it uses less digits than its factorization.

25342323784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167790479 (or 3167790475 counting only the distinct ones).

The product of its digits is 967680, while the sum is 43.

The spelling of 25342323784 in words is "twenty-five billion, three hundred forty-two million, three hundred twenty-three thousand, seven hundred eighty-four".