9025399855 has 16 divisors (see below), whose sum is σ = 11404159200. Its totient is φ = 6838110720.

The previous prime is 9025399853. The next prime is 9025399871. The reversal of 9025399855 is 5589935209.

It is not a de Polignac number, because 9025399855 - 2¹ = 9025399853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9025399796 and 9025399805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9025399853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321795 + ... + 348715.

It is an arithmetic number, because the mean of its divisors is an integer number (712759950).

Almost surely, 2^9025399855 is an apocalyptic number.

9025399855 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

9025399855 is a deficient number, since it is larger than the sum of its proper divisors (2378759345).

9025399855 is a wasteful number, since it uses less digits than its factorization.

9025399855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30474.

The product of its (nonzero) digits is 4374000, while the sum is 55.

The square root of 9025399855 is about 95002.1044766904. The cubic root of 9025399855 is about 2082.0387935195.

The spelling of 9025399855 in words is "nine billion, twenty-five million, three hundred ninety-nine thousand, eight hundred fifty-five".