2827866157 has 2 divisors, whose sum is σ = 2827866158. Its totient is φ = 2827866156.

The previous prime is 2827866143. The next prime is 2827866203. The reversal of 2827866157 is 7516687282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1478479401 + 1349386756 = 38451^2 + 36734^2 .

It is a cyclic number.

It is not a de Polignac number, because 2827866157 - 2²⁷ = 2693648429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2827866127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1413933078 + 1413933079.

It is an arithmetic number, because the mean of its divisors is an integer number (1413933079).

Almost surely, 2^2827866157 is an apocalyptic number.

It is an amenable number.

2827866157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2827866157 is an equidigital number, since it uses as much as digits as its factorization.

2827866157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2257920, while the sum is 52.

The square root of 2827866157 is about 53177.6847653224. The cubic root of 2827866157 is about 1414.1200615671.

The spelling of 2827866157 in words is "two billion, eight hundred twenty-seven million, eight hundred sixty-six thousand, one hundred fifty-seven".