89063978 has 4 divisors (see below), whose sum is σ = 133595970. Its totient is φ = 44531988.

The previous prime is 89063929. The next prime is 89063999. The reversal of 89063978 is 87936098.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 83046769 + 6017209 = 9113^2 + 2453^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22265993 + ... + 22265996.

Almost surely, 2^89063978 is an apocalyptic number.

89063978 is a deficient number, since it is larger than the sum of its proper divisors (44531992).

89063978 is a wasteful number, since it uses less digits than its factorization.

89063978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44531991.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 89063978 is about 9437.3713501165. The cubic root of 89063978 is about 446.5814672526.

The spelling of 89063978 in words is "eighty-nine million, sixty-three thousand, nine hundred seventy-eight".