98961787 has 2 divisors, whose sum is σ = 98961788. Its totient is φ = 98961786.

The previous prime is 98961781. The next prime is 98961803. The reversal of 98961787 is 78716989.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98961787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98961781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49480893 + 49480894.

It is an arithmetic number, because the mean of its divisors is an integer number (49480894).

Almost surely, 2^98961787 is an apocalyptic number.

98961787 is a deficient number, since it is larger than the sum of its proper divisors (1).

98961787 is an equidigital number, since it uses as much as digits as its factorization.

98961787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 55.

The square root of 98961787 is about 9947.9539102270. The cubic root of 98961787 is about 462.5469727797.

The spelling of 98961787 in words is "ninety-eight million, nine hundred sixty-one thousand, seven hundred eighty-seven".