97281707 has 2 divisors, whose sum is σ = 97281708. Its totient is φ = 97281706.

The previous prime is 97281673. The next prime is 97281713. The reversal of 97281707 is 70718279.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97281707 is a prime.

It is not a weakly prime, because it can be changed into another prime (97281907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48640853 + 48640854.

It is an arithmetic number, because the mean of its divisors is an integer number (48640854).

Almost surely, 2^97281707 is an apocalyptic number.

97281707 is a deficient number, since it is larger than the sum of its proper divisors (1).

97281707 is an equidigital number, since it uses as much as digits as its factorization.

97281707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 41.

The square root of 97281707 is about 9863.1489393601. The cubic root of 97281707 is about 459.9144563676.

The spelling of 97281707 in words is "ninety-seven million, two hundred eighty-one thousand, seven hundred seven".