89047139 has 8 divisors (see below), whose sum is σ = 97536960. Its totient is φ = 80918656.

The previous prime is 89047111. The next prime is 89047151. The reversal of 89047139 is 93174098.

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 89047139 - 2¹² = 89043043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89047096 and 89047105.

It is not an unprimeable number, because it can be changed into a prime (89947139) 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, 89819 + ... + 90804.

It is an arithmetic number, because the mean of its divisors is an integer number (12192120).

Almost surely, 2^89047139 is an apocalyptic number.

89047139 is a deficient number, since it is larger than the sum of its proper divisors (8489821).

89047139 is a wasteful number, since it uses less digits than its factorization.

89047139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180669.

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

The square root of 89047139 is about 9436.4791633321. The cubic root of 89047139 is about 446.5533209714.

The spelling of 89047139 in words is "eighty-nine million, forty-seven thousand, one hundred thirty-nine".