97892147 has 2 divisors, whose sum is σ = 97892148. Its totient is φ = 97892146.

The previous prime is 97892131. The next prime is 97892167. The reversal of 97892147 is 74129879.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97892147 - 2⁴ = 97892131 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97892107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48946073 + 48946074.

It is an arithmetic number, because the mean of its divisors is an integer number (48946074).

Almost surely, 2^97892147 is an apocalyptic number.

97892147 is a deficient number, since it is larger than the sum of its proper divisors (1).

97892147 is an equidigital number, since it uses as much as digits as its factorization.

97892147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 47.

The square root of 97892147 is about 9894.0460378957. The cubic root of 97892147 is about 460.8744346781.

The spelling of 97892147 in words is "ninety-seven million, eight hundred ninety-two thousand, one hundred forty-seven".