97722707 has 2 divisors, whose sum is σ = 97722708. Its totient is φ = 97722706.

The previous prime is 97722701. The next prime is 97722733. The reversal of 97722707 is 70722779.

It is a weak prime.

It is an emirp because it is prime and its reverse (70722779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97722707 - 2¹⁰ = 97721683 is a prime.

It is not a weakly prime, because it can be changed into another prime (97722701) 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, 48861353 + 48861354.

It is an arithmetic number, because the mean of its divisors is an integer number (48861354).

Almost surely, 2^97722707 is an apocalyptic number.

97722707 is a deficient number, since it is larger than the sum of its proper divisors (1).

97722707 is an equidigital number, since it uses as much as digits as its factorization.

97722707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86436, while the sum is 41.

The square root of 97722707 is about 9885.4796039444. The cubic root of 97722707 is about 460.6083743072.

The spelling of 97722707 in words is "ninety-seven million, seven hundred twenty-two thousand, seven hundred seven".