98973879 has 4 divisors (see below), whose sum is σ = 131965176. Its totient is φ = 65982584.

The previous prime is 98973871. The next prime is 98973893. The reversal of 98973879 is 97837989.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 98973879 - 2³ = 98973871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98973871) 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, 16495644 + ... + 16495649.

It is an arithmetic number, because the mean of its divisors is an integer number (32991294).

Almost surely, 2^98973879 is an apocalyptic number.

98973879 is a deficient number, since it is larger than the sum of its proper divisors (32991297).

98973879 is a wasteful number, since it uses less digits than its factorization.

98973879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32991296.

The product of its digits is 6858432, while the sum is 60.

The square root of 98973879 is about 9948.5616548323. The cubic root of 98973879 is about 462.5658113313.

The spelling of 98973879 in words is "ninety-eight million, nine hundred seventy-three thousand, eight hundred seventy-nine".