98867729 has 2 divisors, whose sum is σ = 98867730. Its totient is φ = 98867728.

The previous prime is 98867723. The next prime is 98867759. The reversal of 98867729 is 92776889.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59830225 + 39037504 = 7735^2 + 6248^2 .

It is a cyclic number.

It is not a de Polignac number, because 98867729 - 2²⁴ = 82090513 is a prime.

It is not a weakly prime, because it can be changed into another prime (98867723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49433864 + 49433865.

It is an arithmetic number, because the mean of its divisors is an integer number (49433865).

Almost surely, 2^98867729 is an apocalyptic number.

It is an amenable number.

98867729 is a deficient number, since it is larger than the sum of its proper divisors (1).

98867729 is an equidigital number, since it uses as much as digits as its factorization.

98867729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 56.

The square root of 98867729 is about 9943.2252815673. The cubic root of 98867729 is about 462.4003840972.

The spelling of 98867729 in words is "ninety-eight million, eight hundred sixty-seven thousand, seven hundred twenty-nine".