89063642 has 4 divisors (see below), whose sum is σ = 133595466. Its totient is φ = 44531820.

The previous prime is 89063641. The next prime is 89063647. The reversal of 89063642 is 24636098.

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., 88529281 + 534361 = 9409^2 + 731^2 .

It is a junction number, because it is equal to n+sod(n) for n = 89063596 and 89063605.

It is not an unprimeable number, because it can be changed into a prime (89063641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22265909 + ... + 22265912.

Almost surely, 2^89063642 is an apocalyptic number.

89063642 is a deficient number, since it is larger than the sum of its proper divisors (44531824).

89063642 is a wasteful number, since it uses less digits than its factorization.

89063642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44531823.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 89063642 is about 9437.3535485326. The cubic root of 89063642 is about 446.5809056654.

The spelling of 89063642 in words is "eighty-nine million, sixty-three thousand, six hundred forty-two".