202457578852 has 12 divisors (see below), whose sum is σ = 355089854700. Its totient is φ = 101003334656.

The previous prime is 202457578847. The next prime is 202457578859. The reversal of 202457578852 is 258875754202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 85530511936 + 116927066916 = 292456^2 + 341946^2 .

It is a super-2 number, since 2×202457578852² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202457578793 and 202457578802.

It is not an unprimeable number, because it can be changed into a prime (202457578859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56361673 + ... + 56365264.

It is an arithmetic number, because the mean of its divisors is an integer number (29590821225).

Almost surely, 2^202457578852 is an apocalyptic number.

It is an amenable number.

202457578852 is a deficient number, since it is larger than the sum of its proper divisors (152632275848).

202457578852 is a wasteful number, since it uses less digits than its factorization.

202457578852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112727390 (or 112727388 counting only the distinct ones).

The product of its (nonzero) digits is 12544000, while the sum is 55.

The spelling of 202457578852 in words is "two hundred two billion, four hundred fifty-seven million, five hundred seventy-eight thousand, eight hundred fifty-two".