202480857 has 8 divisors (see below), whose sum is σ = 299971680. Its totient is φ = 134987220.

The previous prime is 202480849. The next prime is 202480867. The reversal of 202480857 is 758084202.

It is a happy number.

It is not a de Polignac number, because 202480857 - 2³ = 202480849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202480867) 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 in 7 ways as a sum of consecutive naturals, for example, 3749619 + ... + 3749672.

It is an arithmetic number, because the mean of its divisors is an integer number (37496460).

Almost surely, 2^202480857 is an apocalyptic number.

202480857 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

202480857 is a deficient number, since it is larger than the sum of its proper divisors (97490823).

202480857 is an equidigital number, since it uses as much as digits as its factorization.

202480857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7499300 (or 7499294 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 202480857 is about 14229.5768384025. The cubic root of 202480857 is about 587.2116413178.

The spelling of 202480857 in words is "two hundred two million, four hundred eighty thousand, eight hundred fifty-seven".