89139070 has 16 divisors (see below), whose sum is σ = 168895440. Its totient is φ = 33778944.

The previous prime is 89139049. The next prime is 89139077. The reversal of 89139070 is 7093198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89139077) 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, 234387 + ... + 234766.

It is an arithmetic number, because the mean of its divisors is an integer number (10555965).

Almost surely, 2^89139070 is an apocalyptic number.

89139070 is a deficient number, since it is larger than the sum of its proper divisors (79756370).

89139070 is a wasteful number, since it uses less digits than its factorization.

89139070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469179.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 89139070 is about 9441.3489502295. The cubic root of 89139070 is about 446.7069398849.

The spelling of 89139070 in words is "eighty-nine million, one hundred thirty-nine thousand, seventy".