90368690758869 has 64 divisors (see below), whose sum is σ = 131440360953600. Its totient is φ = 54995744821248.

The previous prime is 90368690758867. The next prime is 90368690758897. The reversal of 90368690758869 is 96885709686309.

It is not a de Polignac number, because 90368690758869 - 2¹ = 90368690758867 is a prime.

It is a super-2 number, since 2×90368690758869² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90368690758791 and 90368690758800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90368690758867) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1212818787 + ... + 1212893295.

It is an arithmetic number, because the mean of its divisors is an integer number (2053755639900).

Almost surely, 2^{90368690758869} is an apocalyptic number.

It is an amenable number.

90368690758869 is a deficient number, since it is larger than the sum of its proper divisors (41071670194731).

90368690758869 is a wasteful number, since it uses less digits than its factorization.

90368690758869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76582.

The product of its (nonzero) digits is 8465264640, while the sum is 84.

The spelling of 90368690758869 in words is "ninety trillion, three hundred sixty-eight billion, six hundred ninety million, seven hundred fifty-eight thousand, eight hundred sixty-nine".