25676212099 has 8 divisors (see below), whose sum is σ = 26108736192. Its totient is φ = 25246620840.

The previous prime is 25676212069. The next prime is 25676212147. The reversal of 25676212099 is 99021267652.

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 25676212099 - 2⁷ = 25676211971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25676212069) 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, 715549 + ... + 750574.

It is an arithmetic number, because the mean of its divisors is an integer number (3263592024).

Almost surely, 2^25676212099 is an apocalyptic number.

25676212099 is a deficient number, since it is larger than the sum of its proper divisors (432524093).

25676212099 is a wasteful number, since it uses less digits than its factorization.

25676212099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466417.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 25676212099 in words is "twenty-five billion, six hundred seventy-six million, two hundred twelve thousand, ninety-nine".