25877399385 has 8 divisors (see below), whose sum is σ = 41403839040. Its totient is φ = 13801279664.

The previous prime is 25877399381. The next prime is 25877399411. The reversal of 25877399385 is 58399377852.

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 25877399385 - 2² = 25877399381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25877399381) 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, 862579965 + ... + 862579994.

It is an arithmetic number, because the mean of its divisors is an integer number (5175479880).

Almost surely, 2^25877399385 is an apocalyptic number.

It is an amenable number.

25877399385 is a deficient number, since it is larger than the sum of its proper divisors (15526439655).

25877399385 is a wasteful number, since it uses less digits than its factorization.

25877399385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725159967.

The product of its digits is 114307200, while the sum is 66.

The spelling of 25877399385 in words is "twenty-five billion, eight hundred seventy-seven million, three hundred ninety-nine thousand, three hundred eighty-five".