97722799 has 2 divisors, whose sum is σ = 97722800. Its totient is φ = 97722798.

The previous prime is 97722787. The next prime is 97722811. The reversal of 97722799 is 99722779.

It is a balanced prime because it is at equal distance from previous prime (97722787) and next prime (97722811).

It is a cyclic number.

It is not a de Polignac number, because 97722799 - 2¹¹ = 97720751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97722299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48861399 + 48861400.

It is an arithmetic number, because the mean of its divisors is an integer number (48861400).

Almost surely, 2^97722799 is an apocalyptic number.

97722799 is a deficient number, since it is larger than the sum of its proper divisors (1).

97722799 is an equidigital number, since it uses as much as digits as its factorization.

97722799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1000188, while the sum is 52.

The square root of 97722799 is about 9885.4842572329. The cubic root of 97722799 is about 460.6085188521.

The spelling of 97722799 in words is "ninety-seven million, seven hundred twenty-two thousand, seven hundred ninety-nine".