89878967 has 2 divisors, whose sum is σ = 89878968. Its totient is φ = 89878966.

The previous prime is 89878961. The next prime is 89878973. The reversal of 89878967 is 76987898.

It is a balanced prime because it is at equal distance from previous prime (89878961) and next prime (89878973).

It is a cyclic number.

It is not a de Polignac number, because 89878967 - 2⁶ = 89878903 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89878961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44939483 + 44939484.

It is an arithmetic number, because the mean of its divisors is an integer number (44939484).

Almost surely, 2^89878967 is an apocalyptic number.

89878967 is a deficient number, since it is larger than the sum of its proper divisors (1).

89878967 is an equidigital number, since it uses as much as digits as its factorization.

89878967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 62.

The square root of 89878967 is about 9480.4518352239. The cubic root of 89878967 is about 447.9394964396.

The spelling of 89878967 in words is "eighty-nine million, eight hundred seventy-eight thousand, nine hundred sixty-seven".