83870473 has 2 divisors, whose sum is σ = 83870474. Its totient is φ = 83870472.

The previous prime is 83870467. The next prime is 83870483. The reversal of 83870473 is 37407838.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64834704 + 19035769 = 8052^2 + 4363^2 .

It is a cyclic number.

It is not a de Polignac number, because 83870473 - 2¹³ = 83862281 is a prime.

It is not a weakly prime, because it can be changed into another prime (83870483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41935236 + 41935237.

It is an arithmetic number, because the mean of its divisors is an integer number (41935237).

Almost surely, 2^83870473 is an apocalyptic number.

It is an amenable number.

83870473 is a deficient number, since it is larger than the sum of its proper divisors (1).

83870473 is an equidigital number, since it uses as much as digits as its factorization.

83870473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 83870473 is about 9158.0823866135. The cubic root of 83870473 is about 437.7266926403.

The spelling of 83870473 in words is "eighty-three million, eight hundred seventy thousand, four hundred seventy-three".