97722849 has 16 divisors (see below), whose sum is σ = 149536640. Its totient is φ = 55607040.

The previous prime is 97722847. The next prime is 97722857. The reversal of 97722849 is 94822779.

It is not a de Polignac number, because 97722849 - 2¹ = 97722847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97722798 and 97722807.

It is not an unprimeable number, because it can be changed into a prime (97722841) 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 in 15 ways as a sum of consecutive naturals, for example, 4594 + ... + 14715.

It is an arithmetic number, because the mean of its divisors is an integer number (9346040).

Almost surely, 2^97722849 is an apocalyptic number.

It is an amenable number.

97722849 is a deficient number, since it is larger than the sum of its proper divisors (51813791).

97722849 is a wasteful number, since it uses less digits than its factorization.

97722849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19560.

The product of its digits is 508032, while the sum is 48.

The square root of 97722849 is about 9885.4867861932. The cubic root of 97722849 is about 460.6085974091.

It can be divided in two parts, 9772 and 2849, that added together give a palindrome (12621).

The spelling of 97722849 in words is "ninety-seven million, seven hundred twenty-two thousand, eight hundred forty-nine".