25987466901 has 8 divisors (see below), whose sum is σ = 37799951904. Its totient is φ = 15749979920.

The previous prime is 25987466861. The next prime is 25987466903. The reversal of 25987466901 is 10966478952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25987466901 - 2⁶ = 25987466837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25987466903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393749466 + ... + 393749531.

It is an arithmetic number, because the mean of its divisors is an integer number (4724993988).

Almost surely, 2^25987466901 is an apocalyptic number.

It is an amenable number.

25987466901 is a deficient number, since it is larger than the sum of its proper divisors (11812485003).

25987466901 is a wasteful number, since it uses less digits than its factorization.

25987466901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787499011.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 25987466901 in words is "twenty-five billion, nine hundred eighty-seven million, four hundred sixty-six thousand, nine hundred one".