83380615 has 4 divisors (see below), whose sum is σ = 100056744. Its totient is φ = 66704488.

The previous prime is 83380613. The next prime is 83380643. The reversal of 83380615 is 51608338.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 83380615 - 2¹ = 83380613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83380613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8338057 + ... + 8338066.

It is an arithmetic number, because the mean of its divisors is an integer number (25014186).

Almost surely, 2^83380615 is an apocalyptic number.

83380615 is a deficient number, since it is larger than the sum of its proper divisors (16676129).

83380615 is a wasteful number, since it uses less digits than its factorization.

83380615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16676128.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 83380615 is about 9131.2986480566. The cubic root of 83380615 is about 436.8728254302.

The spelling of 83380615 in words is "eighty-three million, three hundred eighty thousand, six hundred fifteen".