90972827909 has 8 divisors (see below), whose sum is σ = 91609123200. Its totient is φ = 90336978000.

The previous prime is 90972827801. The next prime is 90972827921.

90972827909 is nontrivially palindromic in base 10.

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 90972827909 - 2¹² = 90972823813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90972827609) 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 7 ways as a sum of consecutive naturals, for example, 303992 + ... + 523790.

It is an arithmetic number, because the mean of its divisors is an integer number (11451140400).

Almost surely, 2^90972827909 is an apocalyptic number.

It is an amenable number.

90972827909 is a deficient number, since it is larger than the sum of its proper divisors (636295291).

90972827909 is a wasteful number, since it uses less digits than its factorization.

90972827909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222691.

The product of its (nonzero) digits is 10287648, while the sum is 62.

The spelling of 90972827909 in words is "ninety billion, nine hundred seventy-two million, eight hundred twenty-seven thousand, nine hundred nine".