98255691 has 6 divisors (see below), whose sum is σ = 141924900. Its totient is φ = 65503788.

The previous prime is 98255681. The next prime is 98255711. The reversal of 98255691 is 19655289.

98255691 is a `hidden beast` number, since 9 + 8 + 2 + 556 + 91 = 666.

It is not a de Polignac number, because 98255691 - 2⁶ = 98255627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98255611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5458641 + ... + 5458658.

It is an arithmetic number, because the mean of its divisors is an integer number (23654150).

Almost surely, 2^98255691 is an apocalyptic number.

98255691 is a deficient number, since it is larger than the sum of its proper divisors (43669209).

98255691 is a wasteful number, since it uses less digits than its factorization.

98255691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10917305 (or 10917302 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 98255691 is about 9912.4008696178. The cubic root of 98255691 is about 461.4442493791. Note that the first 3 decimals are identical.

The spelling of 98255691 in words is "ninety-eight million, two hundred fifty-five thousand, six hundred ninety-one".