98919877 has 6 divisors (see below), whose sum is σ = 115070118. Its totient is φ = 84788424.

The previous prime is 98919859. The next prime is 98919881. The reversal of 98919877 is 77891989.

It can be written as a sum of positive squares in only one way, i.e., 81162081 + 17757796 = 9009^2 + 4214^2 .

It is not a de Polignac number, because 98919877 - 2⁷ = 98919749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98919817) 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, 1009338 + ... + 1009435.

It is an arithmetic number, because the mean of its divisors is an integer number (19178353).

Almost surely, 2^98919877 is an apocalyptic number.

It is an amenable number.

98919877 is a deficient number, since it is larger than the sum of its proper divisors (16150241).

98919877 is a wasteful number, since it uses less digits than its factorization.

98919877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018787 (or 2018780 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 58.

The square root of 98919877 is about 9945.8472238417. The cubic root of 98919877 is about 462.4816678392.

The spelling of 98919877 in words is "ninety-eight million, nine hundred nineteen thousand, eight hundred seventy-seven".