83762320169 has 4 divisors (see below), whose sum is σ = 91377076560. Its totient is φ = 76147563780.

The previous prime is 83762320163. The next prime is 83762320171. The reversal of 83762320169 is 96102326738.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83762320169 is a prime.

It is a super-2 number, since 2×83762320169² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83762320163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3807378179 + ... + 3807378200.

It is an arithmetic number, because the mean of its divisors is an integer number (22844269140).

Almost surely, 2^83762320169 is an apocalyptic number.

It is an amenable number.

83762320169 is a deficient number, since it is larger than the sum of its proper divisors (7614756391).

83762320169 is a wasteful number, since it uses less digits than its factorization.

83762320169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7614756390.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 83762320169 in words is "eighty-three billion, seven hundred sixty-two million, three hundred twenty thousand, one hundred sixty-nine".