83768345 has 4 divisors (see below), whose sum is σ = 100522020. Its totient is φ = 67014672.

The previous prime is 83768341. The next prime is 83768351. The reversal of 83768345 is 54386738.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49942489 + 33825856 = 7067^2 + 5816^2 .

It is a cyclic number.

It is not a de Polignac number, because 83768345 - 2² = 83768341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83768296 and 83768305.

It is not an unprimeable number, because it can be changed into a prime (83768341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8376830 + ... + 8376839.

It is an arithmetic number, because the mean of its divisors is an integer number (25130505).

Almost surely, 2^83768345 is an apocalyptic number.

It is an amenable number.

83768345 is a deficient number, since it is larger than the sum of its proper divisors (16753675).

83768345 is a wasteful number, since it uses less digits than its factorization.

83768345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16753674.

The product of its digits is 483840, while the sum is 44.

The square root of 83768345 is about 9152.5048484008. The cubic root of 83768345 is about 437.5489490810.

The spelling of 83768345 in words is "eighty-three million, seven hundred sixty-eight thousand, three hundred forty-five".