99706457 has 2 divisors, whose sum is σ = 99706458. Its totient is φ = 99706456.

The previous prime is 99706441. The next prime is 99706469. The reversal of 99706457 is 75460799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96452041 + 3254416 = 9821^2 + 1804^2 .

It is a cyclic number.

It is not a de Polignac number, because 99706457 - 2⁴ = 99706441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99706417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49853228 + 49853229.

It is an arithmetic number, because the mean of its divisors is an integer number (49853229).

Almost surely, 2^99706457 is an apocalyptic number.

It is an amenable number.

99706457 is a deficient number, since it is larger than the sum of its proper divisors (1).

99706457 is an equidigital number, since it uses as much as digits as its factorization.

99706457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 99706457 is about 9985.3120632257. The cubic root of 99706457 is about 463.7042696047.

The spelling of 99706457 in words is "ninety-nine million, seven hundred six thousand, four hundred fifty-seven".