89409993950 has 24 divisors (see below), whose sum is σ = 166461220800. Its totient is φ = 35729883200.

The previous prime is 89409993887. The next prime is 89409993997. The reversal of 89409993950 is 5939990498.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 799886 + ... + 904785.

It is an arithmetic number, because the mean of its divisors is an integer number (6935884200).

Almost surely, 2^89409993950 is an apocalyptic number.

89409993950 is a deficient number, since it is larger than the sum of its proper divisors (77051226850).

89409993950 is a wasteful number, since it uses less digits than its factorization.

89409993950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705732 (or 1705727 counting only the distinct ones).

The product of its (nonzero) digits is 28343520, while the sum is 65.

The spelling of 89409993950 in words is "eighty-nine billion, four hundred nine million, nine hundred ninety-three thousand, nine hundred fifty".