98544578 has 16 divisors (see below), whose sum is σ = 162591840. Its totient is φ = 44791780.

The previous prime is 98544557. The next prime is 98544599. The reversal of 98544578 is 87544589.

It is an interprime number because it is at equal distance from previous prime (98544557) and next prime (98544599).

It is a super-2 number, since 2×98544578² = 19422067706396168, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15848 + ... + 21171.

It is an arithmetic number, because the mean of its divisors is an integer number (10161990).

Almost surely, 2^98544578 is an apocalyptic number.

98544578 is a deficient number, since it is larger than the sum of its proper divisors (64047262).

98544578 is a wasteful number, since it uses less digits than its factorization.

98544578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37054 (or 37032 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 50.

The square root of 98544578 is about 9926.9621737972. The cubic root of 98544578 is about 461.8960461502.

The spelling of 98544578 in words is "ninety-eight million, five hundred forty-four thousand, five hundred seventy-eight".