98784677 has 2 divisors, whose sum is σ = 98784678. Its totient is φ = 98784676.

The previous prime is 98784661. The next prime is 98784731. The reversal of 98784677 is 77648789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80389156 + 18395521 = 8966^2 + 4289^2 .

It is an emirp because it is prime and its reverse (77648789) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98784677 - 2⁴ = 98784661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98784577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49392338 + 49392339.

It is an arithmetic number, because the mean of its divisors is an integer number (49392339).

Almost surely, 2^98784677 is an apocalyptic number.

It is an amenable number.

98784677 is a deficient number, since it is larger than the sum of its proper divisors (1).

98784677 is an equidigital number, since it uses as much as digits as its factorization.

98784677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4741632, while the sum is 56.

The square root of 98784677 is about 9939.0480932532. The cubic root of 98784677 is about 462.2708708730.

The spelling of 98784677 in words is "ninety-eight million, seven hundred eighty-four thousand, six hundred seventy-seven".