908850853 has 2 divisors, whose sum is σ = 908850854. Its totient is φ = 908850852.

The previous prime is 908850847. The next prime is 908850857. The reversal of 908850853 is 358058809.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 779414724 + 129436129 = 27918^2 + 11377^2 .

It is an emirp because it is prime and its reverse (358058809) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-908850853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (908850857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454425426 + 454425427.

It is an arithmetic number, because the mean of its divisors is an integer number (454425427).

Almost surely, 2^908850853 is an apocalyptic number.

It is an amenable number.

908850853 is a deficient number, since it is larger than the sum of its proper divisors (1).

908850853 is an equidigital number, since it uses as much as digits as its factorization.

908850853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 908850853 is about 30147.1533150313. The cubic root of 908850853 is about 968.6440305425.

The spelling of 908850853 in words is "nine hundred eight million, eight hundred fifty thousand, eight hundred fifty-three".