89792645 has 4 divisors (see below), whose sum is σ = 107751180. Its totient is φ = 71834112.

The previous prime is 89792629. The next prime is 89792669. The reversal of 89792645 is 54629798.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54629798 = 2 ⋅27314899.

It can be written as a sum of positive squares in 2 ways, for example, as 36312676 + 53479969 = 6026^2 + 7313^2 .

It is a cyclic number.

It is not a de Polignac number, because 89792645 - 2⁴ = 89792629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89792593 and 89792602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8979260 + ... + 8979269.

It is an arithmetic number, because the mean of its divisors is an integer number (26937795).

Almost surely, 2^89792645 is an apocalyptic number.

It is an amenable number.

89792645 is a deficient number, since it is larger than the sum of its proper divisors (17958535).

89792645 is a wasteful number, since it uses less digits than its factorization.

89792645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17958534.

The product of its digits is 1088640, while the sum is 50.

The square root of 89792645 is about 9475.8981104695. The cubic root of 89792645 is about 447.7960464200.

The spelling of 89792645 in words is "eighty-nine million, seven hundred ninety-two thousand, six hundred forty-five".