425173878055 has 8 divisors (see below), whose sum is σ = 532391638752. Its totient is φ = 325350445728.

The previous prime is 425173878053. The next prime is 425173878071. The reversal of 425173878055 is 550878371524.

It is a happy number.

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 425173878055 - 2¹ = 425173878053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425173877987 and 425173878005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425173878053) 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, 1848581964 + ... + 1848582193.

It is an arithmetic number, because the mean of its divisors is an integer number (66548954844).

Almost surely, 2^425173878055 is an apocalyptic number.

425173878055 is a deficient number, since it is larger than the sum of its proper divisors (107217760697).

425173878055 is a wasteful number, since it uses less digits than its factorization.

425173878055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697164185.

The product of its (nonzero) digits is 9408000, while the sum is 55.

The spelling of 425173878055 in words is "four hundred twenty-five billion, one hundred seventy-three million, eight hundred seventy-eight thousand, fifty-five".