84758089 has 8 divisors (see below), whose sum is σ = 92183112. Its totient is φ = 77462400.

The previous prime is 84758087. The next prime is 84758099. The reversal of 84758089 is 98085748.

It can be written as a sum of positive squares in 4 ways, for example, as 1638400 + 83119689 = 1280^2 + 9117^2 .

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 84758089 - 2¹ = 84758087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84758087) 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, 30964 + ... + 33589.

It is an arithmetic number, because the mean of its divisors is an integer number (11522889).

Almost surely, 2^84758089 is an apocalyptic number.

It is an amenable number.

84758089 is a deficient number, since it is larger than the sum of its proper divisors (7425023).

84758089 is a wasteful number, since it uses less digits than its factorization.

84758089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64667.

The product of its (nonzero) digits is 645120, while the sum is 49.

The square root of 84758089 is about 9206.4156434521. The cubic root of 84758089 is about 439.2654565858.

The spelling of 84758089 in words is "eighty-four million, seven hundred fifty-eight thousand, eighty-nine".