28567718050 has 24 divisors (see below), whose sum is σ = 53145137556. Its totient is φ = 11425112640.

The previous prime is 28567718041. The next prime is 28567718059. The reversal of 28567718050 is 5081776582.

It is an interprime number because it is at equal distance from previous prime (28567718041) and next prime (28567718059).

It can be written as a sum of positive squares in 6 ways, for example, as 100942209 + 28466775841 = 10047^2 + 168721^2 .

It is a super-2 number, since 2×28567718050² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28567717985 and 28567718003.

It is not an unprimeable number, because it can be changed into a prime (28567718059) 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, 262372 + ... + 354928.

Almost surely, 2^28567718050 is an apocalyptic number.

28567718050 is a deficient number, since it is larger than the sum of its proper divisors (24577419506).

28567718050 is a wasteful number, since it uses less digits than its factorization.

28567718050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98742 (or 98737 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 49.

The spelling of 28567718050 in words is "twenty-eight billion, five hundred sixty-seven million, seven hundred eighteen thousand, fifty".