5075781028 has 12 divisors (see below), whose sum is σ = 9188914140. Its totient is φ = 2450376992.

The previous prime is 5075781023. The next prime is 5075781041. The reversal of 5075781028 is 8201875705.

It can be written as a sum of positive squares in 2 ways, for example, as 4289988004 + 785793024 = 65498^2 + 28032^2 .

It is not an unprimeable number, because it can be changed into a prime (5075781023) 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, 21878251 + ... + 21878482.

It is an arithmetic number, because the mean of its divisors is an integer number (765742845).

Almost surely, 2^5075781028 is an apocalyptic number.

5075781028 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

5075781028 is a deficient number, since it is larger than the sum of its proper divisors (4113133112).

5075781028 is a wasteful number, since it uses less digits than its factorization.

5075781028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43756766 (or 43756764 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 43.

The square root of 5075781028 is about 71244.5157749002. The cubic root of 5075781028 is about 1718.5715817740.

The spelling of 5075781028 in words is "five billion, seventy-five million, seven hundred eighty-one thousand, twenty-eight".