97320947 has 2 divisors, whose sum is σ = 97320948. Its totient is φ = 97320946.

The previous prime is 97320941. The next prime is 97320961. The reversal of 97320947 is 74902379.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97320947 - 2⁴ = 97320931 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97320941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48660473 + 48660474.

It is an arithmetic number, because the mean of its divisors is an integer number (48660474).

Almost surely, 2^97320947 is an apocalyptic number.

97320947 is a deficient number, since it is larger than the sum of its proper divisors (1).

97320947 is an equidigital number, since it uses as much as digits as its factorization.

97320947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 97320947 is about 9865.1379615290. The cubic root of 97320947 is about 459.9762857970.

The spelling of 97320947 in words is "ninety-seven million, three hundred twenty thousand, nine hundred forty-seven".