83179047 has 32 divisors (see below), whose sum is σ = 132986880. Its totient is φ = 45239040.

The previous prime is 83179007. The next prime is 83179067. The reversal of 83179047 is 74097138.

It is not a de Polignac number, because 83179047 - 2²⁰ = 82130471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83178996 and 83179014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83179007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43522 + ... + 45392.

It is an arithmetic number, because the mean of its divisors is an integer number (4155840).

Almost surely, 2^83179047 is an apocalyptic number.

83179047 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

83179047 is a deficient number, since it is larger than the sum of its proper divisors (49807833).

83179047 is a wasteful number, since it uses less digits than its factorization.

83179047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983.

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

The square root of 83179047 is about 9120.2547661784. The cubic root of 83179047 is about 436.5205027837.

The spelling of 83179047 in words is "eighty-three million, one hundred seventy-nine thousand, forty-seven".