998966707 has 2 divisors, whose sum is σ = 998966708. Its totient is φ = 998966706.

The previous prime is 998966653. The next prime is 998966711. The reversal of 998966707 is 707669899.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-998966707 is a prime.

It is not a weakly prime, because it can be changed into another prime (998966777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499483353 + 499483354.

It is an arithmetic number, because the mean of its divisors is an integer number (499483354).

Almost surely, 2^998966707 is an apocalyptic number.

998966707 is a deficient number, since it is larger than the sum of its proper divisors (1).

998966707 is an equidigital number, since it uses as much as digits as its factorization.

998966707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10287648, while the sum is 61.

The square root of 998966707 is about 31606.4345822176. The cubic root of 998966707 is about 999.6554502991.

The spelling of 998966707 in words is "nine hundred ninety-eight million, nine hundred sixty-six thousand, seven hundred seven".