89968451 has 8 divisors (see below), whose sum is σ = 92221440. Its totient is φ = 87739848.

The previous prime is 89968447. The next prime is 89968457. The reversal of 89968451 is 15486998.

It is a happy number.

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 89968451 - 2² = 89968447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89968451.

It is not an unprimeable number, because it can be changed into a prime (89968457) 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, 1490 + ... + 13496.

It is an arithmetic number, because the mean of its divisors is an integer number (11527680).

Almost surely, 2^89968451 is an apocalyptic number.

89968451 is a deficient number, since it is larger than the sum of its proper divisors (2252989).

89968451 is a wasteful number, since it uses less digits than its factorization.

89968451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12193.

The product of its digits is 622080, while the sum is 50.

The square root of 89968451 is about 9485.1700564618. The cubic root of 89968451 is about 448.0881041513.

The spelling of 89968451 in words is "eighty-nine million, nine hundred sixty-eight thousand, four hundred fifty-one".