98578645 has 8 divisors (see below), whose sum is σ = 129048480. Its totient is φ = 71693520.

The previous prime is 98578643. The next prime is 98578703. The reversal of 98578645 is 54687589.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 98578645 - 2¹ = 98578643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98578592 and 98578601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98578643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896115 + ... + 896224.

It is an arithmetic number, because the mean of its divisors is an integer number (16131060).

Almost surely, 2^98578645 is an apocalyptic number.

It is an amenable number.

98578645 is a deficient number, since it is larger than the sum of its proper divisors (30469835).

98578645 is a wasteful number, since it uses less digits than its factorization.

98578645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792355.

The product of its digits is 2419200, while the sum is 52.

The square root of 98578645 is about 9928.6779079593. The cubic root of 98578645 is about 461.9492660568.

The spelling of 98578645 in words is "ninety-eight million, five hundred seventy-eight thousand, six hundred forty-five".