83440107 has 6 divisors (see below), whose sum is σ = 120524612. Its totient is φ = 55626732.

The previous prime is 83440099. The next prime is 83440109. The reversal of 83440107 is 70104438.

It is not a de Polignac number, because 83440107 - 2³ = 83440099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83440109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4635553 + ... + 4635570.

Almost surely, 2^83440107 is an apocalyptic number.

83440107 is a deficient number, since it is larger than the sum of its proper divisors (37084505).

83440107 is a wasteful number, since it uses less digits than its factorization.

83440107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9271129 (or 9271126 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 83440107 is about 9134.5556542177. Note that the first 3 decimals coincide. The cubic root of 83440107 is about 436.9767035287.

The spelling of 83440107 in words is "eighty-three million, four hundred forty thousand, one hundred seven".