90110985973 has 8 divisors (see below), whose sum is σ = 91688448960. Its totient is φ = 88535195040.

The previous prime is 90110985971. The next prime is 90110985983. The reversal of 90110985973 is 37958901109.

It is a happy number.

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 90110985973 - 2¹ = 90110985971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90110985973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90110985971) 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 7 ways as a sum of consecutive naturals, for example, 309040 + ... + 525097.

It is an arithmetic number, because the mean of its divisors is an integer number (11461056120).

Almost surely, 2^90110985973 is an apocalyptic number.

It is an amenable number.

90110985973 is a deficient number, since it is larger than the sum of its proper divisors (1577462987).

90110985973 is a wasteful number, since it uses less digits than its factorization.

90110985973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836027.

The product of its (nonzero) digits is 612360, while the sum is 52.

The spelling of 90110985973 in words is "ninety billion, one hundred ten million, nine hundred eighty-five thousand, nine hundred seventy-three".