89667451 has 4 divisors (see below), whose sum is σ = 91854504. Its totient is φ = 87480400.

The previous prime is 89667443. The next prime is 89667481. The reversal of 89667451 is 15476698.

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 89667451 - 2³ = 89667443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89667481) 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, 1093465 + ... + 1093546.

It is an arithmetic number, because the mean of its divisors is an integer number (22963626).

Almost surely, 2^89667451 is an apocalyptic number.

89667451 is a deficient number, since it is larger than the sum of its proper divisors (2187053).

89667451 is a wasteful number, since it uses less digits than its factorization.

89667451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187052.

The product of its digits is 362880, while the sum is 46.

The square root of 89667451 is about 9469.2898888987. The cubic root of 89667451 is about 447.5878354056.

The spelling of 89667451 in words is "eighty-nine million, six hundred sixty-seven thousand, four hundred fifty-one".