98512279 has 2 divisors, whose sum is σ = 98512280. Its totient is φ = 98512278.

The previous prime is 98512273. The next prime is 98512303. The reversal of 98512279 is 97221589.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98512279 - 2⁵ = 98512247 is a prime.

It is a super-2 number, since 2×98512279² = 19409338227547682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98512273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49256139 + 49256140.

It is an arithmetic number, because the mean of its divisors is an integer number (49256140).

Almost surely, 2^98512279 is an apocalyptic number.

98512279 is a deficient number, since it is larger than the sum of its proper divisors (1).

98512279 is an equidigital number, since it uses as much as digits as its factorization.

98512279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 43.

The square root of 98512279 is about 9925.3352084451. The cubic root of 98512279 is about 461.8455769077.

The spelling of 98512279 in words is "ninety-eight million, five hundred twelve thousand, two hundred seventy-nine".