98123679 has 12 divisors (see below), whose sum is σ = 143442936. Its totient is φ = 64627152.

The previous prime is 98123659. The next prime is 98123693. The reversal of 98123679 is 97632189.

It is not a de Polignac number, because 98123679 - 2⁸ = 98123423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98123659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64932 + ... + 66425.

It is an arithmetic number, because the mean of its divisors is an integer number (11953578).

Almost surely, 2^98123679 is an apocalyptic number.

98123679 is a deficient number, since it is larger than the sum of its proper divisors (45319257).

98123679 is a wasteful number, since it uses less digits than its factorization.

98123679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131446 (or 131443 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 98123679 is about 9905.7396997902. The cubic root of 98123679 is about 461.2374980638.

The spelling of 98123679 in words is "ninety-eight million, one hundred twenty-three thousand, six hundred seventy-nine".