28873661202 has 24 divisors (see below), whose sum is σ = 65279582784. Its totient is φ = 9206094744.

The previous prime is 28873661197. The next prime is 28873661209. The reversal of 28873661202 is 20216637882.

28873661202 is a `hidden beast` number, since 2 + 8 + 87 + 366 + 1 + 202 = 666.

It is a super-2 number, since 2×28873661202² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28873661209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34871158 + ... + 34871985.

It is an arithmetic number, because the mean of its divisors is an integer number (2719982616).

Almost surely, 2^28873661202 is an apocalyptic number.

28873661202 is an abundant number, since it is smaller than the sum of its proper divisors (36405921582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28873661202 is a wasteful number, since it uses less digits than its factorization.

28873661202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69743174 (or 69743171 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 28873661202 in words is "twenty-eight billion, eight hundred seventy-three million, six hundred sixty-one thousand, two hundred two".