89929921801 has 16 divisors (see below), whose sum is σ = 96063200640. Its totient is φ = 83939172480.

The previous prime is 89929921733. The next prime is 89929921849. The reversal of 89929921801 is 10812992998.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89929921801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89929921891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1270716 + ... + 1339618.

It is an arithmetic number, because the mean of its divisors is an integer number (6003950040).

Almost surely, 2^89929921801 is an apocalyptic number.

It is an amenable number.

89929921801 is a deficient number, since it is larger than the sum of its proper divisors (6133278839).

89929921801 is a wasteful number, since it uses less digits than its factorization.

89929921801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69936.

The product of its (nonzero) digits is 1679616, while the sum is 58.

The spelling of 89929921801 in words is "eighty-nine billion, nine hundred twenty-nine million, nine hundred twenty-one thousand, eight hundred one".