98791187 has 8 divisors (see below), whose sum is σ = 112458240. Its totient is φ = 85905160.

The previous prime is 98791183. The next prime is 98791201. The reversal of 98791187 is 78119789.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 98791187 - 2² = 98791183 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98791183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194987 + ... + 195492.

It is an arithmetic number, because the mean of its divisors is an integer number (14057280).

Almost surely, 2^98791187 is an apocalyptic number.

98791187 is a deficient number, since it is larger than the sum of its proper divisors (13667053).

98791187 is a wasteful number, since it uses less digits than its factorization.

98791187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390513.

The product of its digits is 254016, while the sum is 50.

The square root of 98791187 is about 9939.3755840093. The cubic root of 98791187 is about 462.2810253402.

The spelling of 98791187 in words is "ninety-eight million, seven hundred ninety-one thousand, one hundred eighty-seven".