25880977 has 8 divisors (see below), whose sum is σ = 26367264. Its totient is φ = 25399008.

The previous prime is 25880971. The next prime is 25880989. The reversal of 25880977 is 77908852.

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 25880977 - 2¹⁵ = 25848209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25880971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12573 + ... + 14485.

It is an arithmetic number, because the mean of its divisors is an integer number (3295908).

Almost surely, 2^25880977 is an apocalyptic number.

It is an amenable number.

25880977 is a deficient number, since it is larger than the sum of its proper divisors (486287).

25880977 is a wasteful number, since it uses less digits than its factorization.

25880977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 25880977 is about 5087.3349604680. The cubic root of 25880977 is about 295.7968573599.

The spelling of 25880977 in words is "twenty-five million, eight hundred eighty thousand, nine hundred seventy-seven".