98579545 has 4 divisors (see below), whose sum is σ = 118295460. Its totient is φ = 78863632.

The previous prime is 98579519. The next prime is 98579561. The reversal of 98579545 is 54597589.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54597589 = 173 ⋅315593.

It can be written as a sum of positive squares in 2 ways, for example, as 49970761 + 48608784 = 7069^2 + 6972^2 .

It is a cyclic number.

It is not a de Polignac number, because 98579545 - 2⁵ = 98579513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98579492 and 98579501.

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, 9857950 + ... + 9857959.

It is an arithmetic number, because the mean of its divisors is an integer number (29573865).

Almost surely, 2^98579545 is an apocalyptic number.

It is an amenable number.

98579545 is a deficient number, since it is larger than the sum of its proper divisors (19715915).

98579545 is a wasteful number, since it uses less digits than its factorization.

98579545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19715914.

The product of its digits is 2268000, while the sum is 52.

The square root of 98579545 is about 9928.7232311108. The cubic root of 98579545 is about 461.9506718821.

The spelling of 98579545 in words is "ninety-eight million, five hundred seventy-nine thousand, five hundred forty-five".