873403477 has 2 divisors, whose sum is σ = 873403478. Its totient is φ = 873403476.

The previous prime is 873403409. The next prime is 873403567. The reversal of 873403477 is 774304378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 852114481 + 21288996 = 29191^2 + 4614^2 .

It is a cyclic number.

It is not a de Polignac number, because 873403477 - 2¹⁵ = 873370709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (873403777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436701738 + 436701739.

It is an arithmetic number, because the mean of its divisors is an integer number (436701739).

Almost surely, 2^873403477 is an apocalyptic number.

It is an amenable number.

873403477 is a deficient number, since it is larger than the sum of its proper divisors (1).

873403477 is an equidigital number, since it uses as much as digits as its factorization.

873403477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 43.

The square root of 873403477 is about 29553.4004304073. The cubic root of 873403477 is about 955.8835155805.

Subtracting from 873403477 its reverse (774304378), we obtain a palindrome (99099099).

The spelling of 873403477 in words is "eight hundred seventy-three million, four hundred three thousand, four hundred seventy-seven".