90485751855 has 8 divisors (see below), whose sum is σ = 144777202992. Its totient is φ = 48259067648.

The previous prime is 90485751847. The next prime is 90485751859. The reversal of 90485751855 is 55815758409.

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 90485751855 - 2³ = 90485751847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90485751795 and 90485751804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90485751859) 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, 3016191714 + ... + 3016191743.

It is an arithmetic number, because the mean of its divisors is an integer number (18097150374).

Almost surely, 2^90485751855 is an apocalyptic number.

90485751855 is a deficient number, since it is larger than the sum of its proper divisors (54291451137).

90485751855 is a wasteful number, since it uses less digits than its factorization.

90485751855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6032383465.

The product of its (nonzero) digits is 10080000, while the sum is 57.

The spelling of 90485751855 in words is "ninety billion, four hundred eighty-five million, seven hundred fifty-one thousand, eight hundred fifty-five".