98677989 has 12 divisors (see below), whose sum is σ = 143361036. Its totient is φ = 65404032.

The previous prime is 98677967. The next prime is 98677993. The reversal of 98677989 is 98977689.

It can be written as a sum of positive squares in 2 ways, for example, as 41796225 + 56881764 = 6465^2 + 7542^2 .

It is not a de Polignac number, because 98677989 - 2⁹ = 98677477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98677919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30132 + ... + 33245.

It is an arithmetic number, because the mean of its divisors is an integer number (11946753).

Almost surely, 2^98677989 is an apocalyptic number.

It is an amenable number.

98677989 is a deficient number, since it is larger than the sum of its proper divisors (44683047).

98677989 is a wasteful number, since it uses less digits than its factorization.

98677989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63556 (or 63553 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 63.

The square root of 98677989 is about 9933.6795297614. The cubic root of 98677989 is about 462.1043925565.

The spelling of 98677989 in words is "ninety-eight million, six hundred seventy-seven thousand, nine hundred eighty-nine".