90568869995 has 4 divisors (see below), whose sum is σ = 108682644000. Its totient is φ = 72455095992.

The previous prime is 90568869947. The next prime is 90568869997. The reversal of 90568869995 is 59996886509.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90568869995 - 2⁸ = 90568869739 is a prime.

It is a super-3 number, since 3×90568869995³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (90568869997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9056886995 + ... + 9056887004.

It is an arithmetic number, because the mean of its divisors is an integer number (27170661000).

Almost surely, 2^90568869995 is an apocalyptic number.

90568869995 is a deficient number, since it is larger than the sum of its proper divisors (18113774005).

90568869995 is a wasteful number, since it uses less digits than its factorization.

90568869995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18113774004.

The product of its (nonzero) digits is 377913600, while the sum is 74.

The spelling of 90568869995 in words is "ninety billion, five hundred sixty-eight million, eight hundred sixty-nine thousand, nine hundred ninety-five".