89578045 has 16 divisors (see below), whose sum is σ = 109283328. Its totient is φ = 70479360.

The previous prime is 89578043. The next prime is 89578051. The reversal of 89578045 is 54087598.

It is not a de Polignac number, because 89578045 - 2¹ = 89578043 is a prime.

It is a super-2 number, since 2×89578045² = 16048452292044050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89577986 and 89578004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89578043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92152 + ... + 93118.

It is an arithmetic number, because the mean of its divisors is an integer number (6830208).

Almost surely, 2^89578045 is an apocalyptic number.

It is an amenable number.

89578045 is a deficient number, since it is larger than the sum of its proper divisors (19705283).

89578045 is a wasteful number, since it uses less digits than its factorization.

89578045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260.

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 89578045 is about 9464.5678718048. The cubic root of 89578045 is about 447.4390250140.

The spelling of 89578045 in words is "eighty-nine million, five hundred seventy-eight thousand, forty-five".