98578291 has 16 divisors (see below), whose sum is σ = 119551680. Its totient is φ = 79349760.

The previous prime is 98578283. The next prime is 98578297. The reversal of 98578291 is 19287589.

It is not a de Polignac number, because 98578291 - 2³ = 98578283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98578297) 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, 97195 + ... + 98203.

It is an arithmetic number, because the mean of its divisors is an integer number (7471980).

Almost surely, 2^98578291 is an apocalyptic number.

98578291 is a deficient number, since it is larger than the sum of its proper divisors (20973389).

98578291 is a wasteful number, since it uses less digits than its factorization.

98578291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854.

The product of its digits is 362880, while the sum is 49.

The square root of 98578291 is about 9928.6600807964. The cubic root of 98578291 is about 461.9487130964.

The spelling of 98578291 in words is "ninety-eight million, five hundred seventy-eight thousand, two hundred ninety-one".