89378450 has 54 divisors (see below), whose sum is σ = 194403573. Its totient is φ = 30483600.

The previous prime is 89378449. The next prime is 89378453. The reversal of 89378450 is 5487398.

It can be written as a sum of positive squares in 2 ways, for example, as 87590881 + 1787569 = 9359^2 + 1337^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=6685.

It is not an unprimeable number, because it can be changed into a prime (89378453) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 467855 + ... + 468045.

Almost surely, 2^89378450 is an apocalyptic number.

89378450 is an abundant number, since it is smaller than the sum of its proper divisors (105025123).

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

89378450 is a wasteful number, since it uses less digits than its factorization.

89378450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 89378450 is about 9454.0176644641. The cubic root of 89378450 is about 447.1064546672.

The spelling of 89378450 in words is "eighty-nine million, three hundred seventy-eight thousand, four hundred fifty".