25977946 has 8 divisors (see below), whose sum is σ = 39037824. Its totient is φ = 12965340.

The previous prime is 25977937. The next prime is 25977949. The reversal of 25977946 is 64977952.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25977946.

It is not an unprimeable number, because it can be changed into a prime (25977949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10410 + ... + 12661.

It is an arithmetic number, because the mean of its divisors is an integer number (4879728).

Almost surely, 2^25977946 is an apocalyptic number.

25977946 is a deficient number, since it is larger than the sum of its proper divisors (13059878).

25977946 is a wasteful number, since it uses less digits than its factorization.

25977946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23636.

The product of its digits is 952560, while the sum is 49.

The square root of 25977946 is about 5096.8564821859. The cubic root of 25977946 is about 296.1658204689.

The spelling of 25977946 in words is "twenty-five million, nine hundred seventy-seven thousand, nine hundred forty-six".