89999931403 has 4 divisors (see below), whose sum is σ = 90069110208. Its totient is φ = 89930752600.

The previous prime is 89999931401. The next prime is 89999931433. The reversal of 89999931403 is 30413999998.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89999931403 - 2¹ = 89999931401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89999931401) 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 3 ways as a sum of consecutive naturals, for example, 34587451 + ... + 34590052.

It is an arithmetic number, because the mean of its divisors is an integer number (22517277552).

Almost surely, 2^89999931403 is an apocalyptic number.

89999931403 is a deficient number, since it is larger than the sum of its proper divisors (69178805).

89999931403 is a wasteful number, since it uses less digits than its factorization.

89999931403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69178804.

The product of its (nonzero) digits is 17006112, while the sum is 64.

The spelling of 89999931403 in words is "eighty-nine billion, nine hundred ninety-nine million, nine hundred thirty-one thousand, four hundred three".