98512278 has 16 divisors (see below), whose sum is σ = 202350000. Its totient is φ = 31949856.

The previous prime is 98512273. The next prime is 98512279. The reversal of 98512278 is 87221589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98512273) by changing a digit.

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, 221653 + ... + 222096.

It is an arithmetic number, because the mean of its divisors is an integer number (12646875).

Almost surely, 2^98512278 is an apocalyptic number.

98512278 is an abundant number, since it is smaller than the sum of its proper divisors (103837722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98512278 is a wasteful number, since it uses less digits than its factorization.

98512278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443791.

The product of its digits is 80640, while the sum is 42.

The square root of 98512278 is about 9925.3351580690. The cubic root of 98512278 is about 461.8455753449.

It can be divided in two parts, 98512 and 278, that added together give a triangular number (98790 = T₄₄₄).

The spelling of 98512278 in words is "ninety-eight million, five hundred twelve thousand, two hundred seventy-eight".