83142873 has 24 divisors (see below), whose sum is σ = 131728896. Its totient is φ = 50114400.

The previous prime is 83142823. The next prime is 83142883. The reversal of 83142873 is 37824138.

It is not a de Polignac number, because 83142873 - 2⁶ = 83142809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83142823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16711 + ... + 21107.

It is an arithmetic number, because the mean of its divisors is an integer number (5488704).

Almost surely, 2^83142873 is an apocalyptic number.

It is an amenable number.

83142873 is a deficient number, since it is larger than the sum of its proper divisors (48586023).

83142873 is a wasteful number, since it uses less digits than its factorization.

83142873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605 (or 4602 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 83142873 is about 9118.2713822303. The cubic root of 83142873 is about 436.4572136787.

The spelling of 83142873 in words is "eighty-three million, one hundred forty-two thousand, eight hundred seventy-three".