83140617 has 16 divisors (see below), whose sum is σ = 128839680. Its totient is φ = 46702992.

The previous prime is 83140609. The next prime is 83140619. The reversal of 83140617 is 71604138.

It is a happy number.

It is not a de Polignac number, because 83140617 - 2³ = 83140609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83140619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32313 + ... + 34790.

It is an arithmetic number, because the mean of its divisors is an integer number (8052480).

Almost surely, 2^83140617 is an apocalyptic number.

It is an amenable number.

83140617 is a deficient number, since it is larger than the sum of its proper divisors (45699063).

83140617 is a wasteful number, since it uses less digits than its factorization.

83140617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67172.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 83140617 is about 9118.1476737329. The cubic root of 83140617 is about 436.4532660308.

The spelling of 83140617 in words is "eighty-three million, one hundred forty thousand, six hundred seventeen".