98181892015 has 4 divisors (see below), whose sum is σ = 117818270424. Its totient is φ = 78545513608.

The previous prime is 98181892001. The next prime is 98181892043. The reversal of 98181892015 is 51029818189.

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 98181892015 - 2²⁷ = 98047674287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9818189197 + ... + 9818189206.

It is an arithmetic number, because the mean of its divisors is an integer number (29454567606).

Almost surely, 2^98181892015 is an apocalyptic number.

98181892015 is a deficient number, since it is larger than the sum of its proper divisors (19636378409).

98181892015 is a wasteful number, since it uses less digits than its factorization.

98181892015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19636378408.

The product of its (nonzero) digits is 414720, while the sum is 52.

The spelling of 98181892015 in words is "ninety-eight billion, one hundred eighty-one million, eight hundred ninety-two thousand, fifteen".