98018979 has 16 divisors (see below), whose sum is σ = 133539840. Its totient is φ = 63936320.

The previous prime is 98018969. The next prime is 98018989. The reversal of 98018979 is 97981089.

It is an interprime number because it is at equal distance from previous prime (98018969) and next prime (98018989).

It is a cyclic number.

It is not a de Polignac number, because 98018979 - 2⁹ = 98018467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98018969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27502 + ... + 30860.

It is an arithmetic number, because the mean of its divisors is an integer number (8346240).

Almost surely, 2^98018979 is an apocalyptic number.

98018979 is a deficient number, since it is larger than the sum of its proper divisors (35520861).

98018979 is a wasteful number, since it uses less digits than its factorization.

98018979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570.

The product of its (nonzero) digits is 326592, while the sum is 51.

The square root of 98018979 is about 9900.4534744627. The cubic root of 98018979 is about 461.0733896897.

The spelling of 98018979 in words is "ninety-eight million, eighteen thousand, nine hundred seventy-nine".