83147079 has 16 divisors (see below), whose sum is σ = 113784704. Its totient is φ = 53978400.

The previous prime is 83147069. The next prime is 83147083. The reversal of 83147079 is 97074138.

It is not a de Polignac number, because 83147079 - 2⁸ = 83146823 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 (83147069) 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, 53544 + ... + 55074.

It is an arithmetic number, because the mean of its divisors is an integer number (7111544).

Almost surely, 2^83147079 is an apocalyptic number.

83147079 is a deficient number, since it is larger than the sum of its proper divisors (30637625).

83147079 is a wasteful number, since it uses less digits than its factorization.

83147079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 83147079 is about 9118.5020151338. The cubic root of 83147079 is about 436.4645733317.

The spelling of 83147079 in words is "eighty-three million, one hundred forty-seven thousand, seventy-nine".