97785348238 has 16 divisors (see below), whose sum is σ = 150098065920. Its totient is φ = 47752794936.

The previous prime is 97785348233. The next prime is 97785348247. The reversal of 97785348238 is 83284358779.

It is a self number, because there is not a number n which added to its sum of digits gives 97785348238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97785348233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2674243 + ... + 2710561.

It is an arithmetic number, because the mean of its divisors is an integer number (9381129120).

Almost surely, 2^97785348238 is an apocalyptic number.

97785348238 is a deficient number, since it is larger than the sum of its proper divisors (52312717682).

97785348238 is a wasteful number, since it uses less digits than its factorization.

97785348238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67671.

The product of its digits is 81285120, while the sum is 64.

The spelling of 97785348238 in words is "ninety-seven billion, seven hundred eighty-five million, three hundred forty-eight thousand, two hundred thirty-eight".