908479853 has 2 divisors, whose sum is σ = 908479854. Its totient is φ = 908479852.

The previous prime is 908479823. The next prime is 908479933. The reversal of 908479853 is 358974809.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 538379209 + 370100644 = 23203^2 + 19238^2 .

It is a cyclic number.

It is not a de Polignac number, because 908479853 - 2⁸ = 908479597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 908479795 and 908479804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (908479823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454239926 + 454239927.

It is an arithmetic number, because the mean of its divisors is an integer number (454239927).

Almost surely, 2^908479853 is an apocalyptic number.

It is an amenable number.

908479853 is a deficient number, since it is larger than the sum of its proper divisors (1).

908479853 is an equidigital number, since it uses as much as digits as its factorization.

908479853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 908479853 is about 30140.9995355164. Note that the first 3 decimals coincide. The cubic root of 908479853 is about 968.5122099239.

The spelling of 908479853 in words is "nine hundred eight million, four hundred seventy-nine thousand, eight hundred fifty-three".