89958078 has 48 divisors (see below), whose sum is σ = 223562976. Its totient is φ = 25608960.

The previous prime is 89958053. The next prime is 89958079. The reversal of 89958078 is 87085998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89958079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38298 + ... + 40578.

It is an arithmetic number, because the mean of its divisors is an integer number (4657562).

Almost surely, 2^89958078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89958078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111781488).

89958078 is an abundant number, since it is smaller than the sum of its proper divisors (133604898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89958078 is a wasteful number, since it uses less digits than its factorization.

89958078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609 (or 2606 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 54.

The square root of 89958078 is about 9484.6232397497. The cubic root of 89958078 is about 448.0708825716.

The spelling of 89958078 in words is "eighty-nine million, nine hundred fifty-eight thousand, seventy-eight".