98979611 has 4 divisors (see below), whose sum is σ = 99050592. Its totient is φ = 98908632.

The previous prime is 98979599. The next prime is 98979613. The reversal of 98979611 is 11697989.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98979611 is a prime.

It is a super-2 number, since 2×98979611² = 19593926787422642, which contains 22 as substring.

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 98979611.

It is not an unprimeable number, because it can be changed into a prime (98979613) 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, 33356 + ... + 36201.

It is an arithmetic number, because the mean of its divisors is an integer number (24762648).

Almost surely, 2^98979611 is an apocalyptic number.

98979611 is a deficient number, since it is larger than the sum of its proper divisors (70981).

98979611 is a wasteful number, since it uses less digits than its factorization.

98979611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70980.

The product of its digits is 244944, while the sum is 50.

The square root of 98979611 is about 9948.8497325068. The cubic root of 98979611 is about 462.5747408794.

The spelling of 98979611 in words is "ninety-eight million, nine hundred seventy-nine thousand, six hundred eleven".