97819365 has 32 divisors (see below), whose sum is σ = 179815680. Its totient is φ = 44481024.

The previous prime is 97819357. The next prime is 97819369. The reversal of 97819365 is 56391879.

It is not a de Polignac number, because 97819365 - 2³ = 97819357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97819369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18321 + ... + 23049.

It is an arithmetic number, because the mean of its divisors is an integer number (5619240).

Almost surely, 2^97819365 is an apocalyptic number.

It is an amenable number.

97819365 is a deficient number, since it is larger than the sum of its proper divisors (81996315).

97819365 is a wasteful number, since it uses less digits than its factorization.

97819365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4941.

The product of its digits is 408240, while the sum is 48.

The square root of 97819365 is about 9890.3672833722. The cubic root of 97819365 is about 460.7601875853.

The spelling of 97819365 in words is "ninety-seven million, eight hundred nineteen thousand, three hundred sixty-five".