89139407 has 8 divisors (see below), whose sum is σ = 101958432. Its totient is φ = 76341600.

The previous prime is 89139373. The next prime is 89139409. The reversal of 89139407 is 70493198.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89139407 - 2¹⁸ = 88877263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89139409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5057 + ... + 14277.

It is an arithmetic number, because the mean of its divisors is an integer number (12744804).

Almost surely, 2^89139407 is an apocalyptic number.

89139407 is a deficient number, since it is larger than the sum of its proper divisors (12819025).

89139407 is a wasteful number, since it uses less digits than its factorization.

89139407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10609.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 89139407 is about 9441.3667972386. The cubic root of 89139407 is about 446.7075028257.

The spelling of 89139407 in words is "eighty-nine million, one hundred thirty-nine thousand, four hundred seven".