89420678 has 16 divisors (see below), whose sum is σ = 138792960. Its totient is φ = 43163400.

The previous prime is 89420671. The next prime is 89420687. The reversal of 89420678 is 87602498.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89420671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28193 + ... + 31203.

It is an arithmetic number, because the mean of its divisors is an integer number (8674560).

Almost surely, 2^89420678 is an apocalyptic number.

89420678 is a deficient number, since it is larger than the sum of its proper divisors (49372282).

89420678 is a wasteful number, since it uses less digits than its factorization.

89420678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 89420678 is about 9456.2507369464. The cubic root of 89420678 is about 447.1768573154.

The spelling of 89420678 in words is "eighty-nine million, four hundred twenty thousand, six hundred seventy-eight".