25878467 has 4 divisors (see below), whose sum is σ = 26043456. Its totient is φ = 25713480.

The previous prime is 25878443. The next prime is 25878491. The reversal of 25878467 is 76487852.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (25878443) and next prime (25878491).

It is a cyclic number.

It is not a de Polignac number, because 25878467 - 2¹⁶ = 25812931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25878407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82259 + ... + 82572.

It is an arithmetic number, because the mean of its divisors is an integer number (6510864).

Almost surely, 2^25878467 is an apocalyptic number.

25878467 is a deficient number, since it is larger than the sum of its proper divisors (164989).

25878467 is a wasteful number, since it uses less digits than its factorization.

25878467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164988.

The product of its digits is 752640, while the sum is 47.

The square root of 25878467 is about 5087.0882634372. The cubic root of 25878467 is about 295.7872946850.

The spelling of 25878467 in words is "twenty-five million, eight hundred seventy-eight thousand, four hundred sixty-seven".