90860570998881 has 32 divisors (see below), whose sum is σ = 126658476023040. Its totient is φ = 57828381794304.

The previous prime is 90860570998871. The next prime is 90860570998909. The reversal of 90860570998881 is 18889907506809.

It is not a de Polignac number, because 90860570998881 - 2⁷ = 90860570998753 is a prime.

It is a super-2 number, since 2×90860570998881² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 90860570998797 and 90860570998806.

It is not an unprimeable number, because it can be changed into a prime (90860570998861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233526355 + ... + 233915111.

It is an arithmetic number, because the mean of its divisors is an integer number (3958077375720).

Almost surely, 2^{90860570998881} is an apocalyptic number.

It is an amenable number.

90860570998881 is a deficient number, since it is larger than the sum of its proper divisors (35797905024159).

90860570998881 is a wasteful number, since it uses less digits than its factorization.

90860570998881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395305.

The product of its (nonzero) digits is 627056640, while the sum is 78.

The spelling of 90860570998881 in words is "ninety trillion, eight hundred sixty billion, five hundred seventy million, nine hundred ninety-eight thousand, eight hundred eighty-one".