83814669 has 40 divisors (see below), whose sum is σ = 133816320. Its totient is φ = 52164000.

The previous prime is 83814667. The next prime is 83814721. The reversal of 83814669 is 96641838.

It is not a de Polignac number, because 83814669 - 2¹ = 83814667 is a prime.

It is a super-2 number, since 2×83814669² = 14049797479159122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83814667) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 72244 + ... + 73394.

It is an arithmetic number, because the mean of its divisors is an integer number (3345408).

Almost surely, 2^83814669 is an apocalyptic number.

It is an amenable number.

83814669 is a deficient number, since it is larger than the sum of its proper divisors (50001651).

83814669 is a wasteful number, since it uses less digits than its factorization.

83814669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223 (or 1214 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 83814669 is about 9155.0351719696. The cubic root of 83814669 is about 437.6295892576.

The spelling of 83814669 in words is "eighty-three million, eight hundred fourteen thousand, six hundred sixty-nine".