25830777828055 has 8 divisors (see below), whose sum is σ = 31095965131632. Its totient is φ = 20598601103808.

The previous prime is 25830777828043. The next prime is 25830777828059. The reversal of 25830777828055 is 55082877703852.

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 25830777828055 - 2³⁷ = 25693338874583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25830777828059) 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, 8252643109 + ... + 8252646238.

It is an arithmetic number, because the mean of its divisors is an integer number (3886995641454).

Almost surely, 2^{25830777828055} is an apocalyptic number.

25830777828055 is a deficient number, since it is larger than the sum of its proper divisors (5265187303577).

25830777828055 is a wasteful number, since it uses less digits than its factorization.

25830777828055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16505289665.

The product of its (nonzero) digits is 263424000, while the sum is 67.

The spelling of 25830777828055 in words is "twenty-five trillion, eight hundred thirty billion, seven hundred seventy-seven million, eight hundred twenty-eight thousand, fifty-five".