89966956801 has 8 divisors (see below), whose sum is σ = 92451879144. Its totient is φ = 87484844160.

The previous prime is 89966956799. The next prime is 89966956813. The reversal of 89966956801 is 10865966998.

It can be written as a sum of positive squares in 4 ways, for example, as 59987765776 + 29979191025 = 244924^2 + 173145^2 .

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 89966956801 - 2¹ = 89966956799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89966956831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637420 + ... + 765661.

It is an arithmetic number, because the mean of its divisors is an integer number (11556484893).

Almost surely, 2^89966956801 is an apocalyptic number.

It is an amenable number.

89966956801 is a deficient number, since it is larger than the sum of its proper divisors (2484922343).

89966956801 is a wasteful number, since it uses less digits than its factorization.

89966956801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404851.

The product of its (nonzero) digits is 50388480, while the sum is 67.

The spelling of 89966956801 in words is "eighty-nine billion, nine hundred sixty-six million, nine hundred fifty-six thousand, eight hundred one".