83147873 has 4 divisors (see below), whose sum is σ = 83232768. Its totient is φ = 83062980.

The previous prime is 83147863. The next prime is 83147879. The reversal of 83147873 is 37874138.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83147873 - 2⁶ = 83147809 is a prime.

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 83147873.

It is not an unprimeable number, because it can be changed into a prime (83147879) 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, 40961 + ... + 42942.

It is an arithmetic number, because the mean of its divisors is an integer number (20808192).

Almost surely, 2^83147873 is an apocalyptic number.

It is an amenable number.

83147873 is a deficient number, since it is larger than the sum of its proper divisors (84895).

83147873 is an equidigital number, since it uses as much as digits as its factorization.

83147873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84894.

The product of its digits is 112896, while the sum is 41.

The square root of 83147873 is about 9118.5455528829. The cubic root of 83147873 is about 436.4659626440.

The spelling of 83147873 in words is "eighty-three million, one hundred forty-seven thousand, eight hundred seventy-three".