89442507 has 16 divisors (see below), whose sum is σ = 148684032. Its totient is φ = 46463520.

The previous prime is 89442499. The next prime is 89442517. The reversal of 89442507 is 70524498.

It is not a de Polignac number, because 89442507 - 2³ = 89442499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89442517) 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 15 ways as a sum of consecutive naturals, for example, 193368 + ... + 193829.

It is an arithmetic number, because the mean of its divisors is an integer number (9292752).

Almost surely, 2^89442507 is an apocalyptic number.

89442507 is a deficient number, since it is larger than the sum of its proper divisors (59241525).

89442507 is a wasteful number, since it uses less digits than its factorization.

89442507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387218.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 89442507 is about 9457.4048766033. The cubic root of 89442507 is about 447.2132419997.

The spelling of 89442507 in words is "eighty-nine million, four hundred forty-two thousand, five hundred seven".