99670027 has 2 divisors, whose sum is σ = 99670028. Its totient is φ = 99670026.

The previous prime is 99670019. The next prime is 99670061. The reversal of 99670027 is 72007699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99670027 - 2³ = 99670019 is a prime.

It is a super-2 number, since 2×99670027² = 19868228564361458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99670097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49835013 + 49835014.

It is an arithmetic number, because the mean of its divisors is an integer number (49835014).

Almost surely, 2^99670027 is an apocalyptic number.

99670027 is a deficient number, since it is larger than the sum of its proper divisors (1).

99670027 is an equidigital number, since it uses as much as digits as its factorization.

99670027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 99670027 is about 9983.4877172259. The cubic root of 99670027 is about 463.6477877919.

The spelling of 99670027 in words is "ninety-nine million, six hundred seventy thousand, twenty-seven".