83272547 has 4 divisors (see below), whose sum is σ = 83293080. Its totient is φ = 83252016.

The previous prime is 83272531. The next prime is 83272559. The reversal of 83272547 is 74527238.

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 83272547 - 2⁴ = 83272531 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83272547.

It is not an unprimeable number, because it can be changed into a prime (83272507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1922 + ... + 13047.

It is an arithmetic number, because the mean of its divisors is an integer number (20823270).

Almost surely, 2^83272547 is an apocalyptic number.

83272547 is a deficient number, since it is larger than the sum of its proper divisors (20533).

83272547 is a wasteful number, since it uses less digits than its factorization.

83272547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20532.

The product of its digits is 94080, while the sum is 38.

The square root of 83272547 is about 9125.3792797889. The cubic root of 83272547 is about 436.6840030281.

The spelling of 83272547 in words is "eighty-three million, two hundred seventy-two thousand, five hundred forty-seven".