89871403 has 4 divisors (see below), whose sum is σ = 90029368. Its totient is φ = 89713440.

The previous prime is 89871389. The next prime is 89871407. The reversal of 89871403 is 30417898.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89871403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89871407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78126 + ... + 79267.

It is an arithmetic number, because the mean of its divisors is an integer number (22507342).

Almost surely, 2^89871403 is an apocalyptic number.

89871403 is a deficient number, since it is larger than the sum of its proper divisors (157965).

89871403 is a wasteful number, since it uses less digits than its factorization.

89871403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157964.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 89871403 is about 9480.0529006963. The cubic root of 89871403 is about 447.9269302464.

The spelling of 89871403 in words is "eighty-nine million, eight hundred seventy-one thousand, four hundred three".