98699771 has 2 divisors, whose sum is σ = 98699772. Its totient is φ = 98699770.

The previous prime is 98699767. The next prime is 98699779. The reversal of 98699771 is 17799689.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98699771 - 2² = 98699767 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98699779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49349885 + 49349886.

It is an arithmetic number, because the mean of its divisors is an integer number (49349886).

Almost surely, 2^98699771 is an apocalyptic number.

98699771 is a deficient number, since it is larger than the sum of its proper divisors (1).

98699771 is an equidigital number, since it uses as much as digits as its factorization.

98699771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 56.

The square root of 98699771 is about 9934.7758404506. The cubic root of 98699771 is about 462.1383914164.

The spelling of 98699771 in words is "ninety-eight million, six hundred ninety-nine thousand, seven hundred seventy-one".