89278667 has 8 divisors (see below), whose sum is σ = 92307840. Its totient is φ = 86258880.

The previous prime is 89278661. The next prime is 89278681. The reversal of 89278667 is 76687298.

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 89278667 - 2⁶ = 89278603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89278661) 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, 20759 + ... + 24687.

It is an arithmetic number, because the mean of its divisors is an integer number (11538480).

Almost surely, 2^89278667 is an apocalyptic number.

89278667 is a deficient number, since it is larger than the sum of its proper divisors (3029173).

89278667 is a wasteful number, since it uses less digits than its factorization.

89278667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4693.

The product of its digits is 2032128, while the sum is 53.

The square root of 89278667 is about 9448.7389105637. The cubic root of 89278667 is about 446.9400079975.

The spelling of 89278667 in words is "eighty-nine million, two hundred seventy-eight thousand, six hundred sixty-seven".