98279751 has 4 divisors (see below), whose sum is σ = 131039672. Its totient is φ = 65519832.

The previous prime is 98279729. The next prime is 98279777. The reversal of 98279751 is 15797289.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15797289 = 3 ⋅5265763.

It is not a de Polignac number, because 98279751 - 2¹⁰ = 98278727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98279751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98279351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16379956 + ... + 16379961.

It is an arithmetic number, because the mean of its divisors is an integer number (32759918).

Almost surely, 2^98279751 is an apocalyptic number.

98279751 is a deficient number, since it is larger than the sum of its proper divisors (32759921).

98279751 is a wasteful number, since it uses less digits than its factorization.

98279751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32759920.

The product of its digits is 317520, while the sum is 48.

The square root of 98279751 is about 9913.6144266357. The cubic root of 98279751 is about 461.4819111248.

The spelling of 98279751 in words is "ninety-eight million, two hundred seventy-nine thousand, seven hundred fifty-one".