83454773 has 2 divisors, whose sum is σ = 83454774. Its totient is φ = 83454772.

The previous prime is 83454727. The next prime is 83454781. The reversal of 83454773 is 37745438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47430769 + 36024004 = 6887^2 + 6002^2 .

It is a cyclic number.

It is not a de Polignac number, because 83454773 - 2¹² = 83450677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83454773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83454703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41727386 + 41727387.

It is an arithmetic number, because the mean of its divisors is an integer number (41727387).

Almost surely, 2^83454773 is an apocalyptic number.

It is an amenable number.

83454773 is a deficient number, since it is larger than the sum of its proper divisors (1).

83454773 is an equidigital number, since it uses as much as digits as its factorization.

83454773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 41.

The square root of 83454773 is about 9135.3583947210. The cubic root of 83454773 is about 437.0023040267.

The spelling of 83454773 in words is "eighty-three million, four hundred fifty-four thousand, seven hundred seventy-three".