2018028157 has 2 divisors, whose sum is σ = 2018028158. Its totient is φ = 2018028156.

The previous prime is 2018028151. The next prime is 2018028269. The reversal of 2018028157 is 7518208102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1550863161 + 467164996 = 39381^2 + 21614^2 .

It is a cyclic number.

It is not a de Polignac number, because 2018028157 - 2²³ = 2009639549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2018028151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009014078 + 1009014079.

It is an arithmetic number, because the mean of its divisors is an integer number (1009014079).

Almost surely, 2^2018028157 is an apocalyptic number.

It is an amenable number.

2018028157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2018028157 is an equidigital number, since it uses as much as digits as its factorization.

2018028157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 2018028157 is about 44922.4682870387. The cubic root of 2018028157 is about 1263.6954074741.

The spelling of 2018028157 in words is "two billion, eighteen million, twenty-eight thousand, one hundred fifty-seven".