98179865 has 16 divisors (see below), whose sum is σ = 136546560. Its totient is φ = 66373440.

The previous prime is 98179853. The next prime is 98179867. The reversal of 98179865 is 56897189.

It is not a de Polignac number, because 98179865 - 2²⁰ = 97131289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98179867) 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, 17270 + ... + 22239.

It is an arithmetic number, because the mean of its divisors is an integer number (8534160).

Almost surely, 2^98179865 is an apocalyptic number.

It is an amenable number.

98179865 is a deficient number, since it is larger than the sum of its proper divisors (38366695).

98179865 is a wasteful number, since it uses less digits than its factorization.

98179865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39592.

The product of its digits is 1088640, while the sum is 53.

The square root of 98179865 is about 9908.5753264533. The cubic root of 98179865 is about 461.3255167274.

The spelling of 98179865 in words is "ninety-eight million, one hundred seventy-nine thousand, eight hundred sixty-five".