83769385 has 32 divisors (see below), whose sum is σ = 122204160. Its totient is φ = 53846208.

The previous prime is 83769383. The next prime is 83769403. The reversal of 83769385 is 58396738.

It is a cyclic number.

It is not a de Polignac number, because 83769385 - 2¹ = 83769383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83769383) 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, 67884 + ... + 69106.

It is an arithmetic number, because the mean of its divisors is an integer number (3818880).

Almost surely, 2^83769385 is an apocalyptic number.

It is an amenable number.

83769385 is a deficient number, since it is larger than the sum of its proper divisors (38434775).

83769385 is a wasteful number, since it uses less digits than its factorization.

83769385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357.

The product of its digits is 1088640, while the sum is 49.

The square root of 83769385 is about 9152.5616632722. The cubic root of 83769385 is about 437.5507598248.

The spelling of 83769385 in words is "eighty-three million, seven hundred sixty-nine thousand, three hundred eighty-five".