2866131157 has 2 divisors, whose sum is σ = 2866131158. Its totient is φ = 2866131156.

The previous prime is 2866131113. The next prime is 2866131179. The reversal of 2866131157 is 7511316682.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2694232836 + 171898321 = 51906^2 + 13111^2 .

It is a cyclic number.

It is not a de Polignac number, because 2866131157 - 2²³ = 2857742549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2866131187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1433065578 + 1433065579.

It is an arithmetic number, because the mean of its divisors is an integer number (1433065579).

Almost surely, 2^2866131157 is an apocalyptic number.

It is an amenable number.

2866131157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2866131157 is an equidigital number, since it uses as much as digits as its factorization.

2866131157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 40.

The square root of 2866131157 is about 53536.2602074519. The cubic root of 2866131157 is about 1420.4698499740.

The spelling of 2866131157 in words is "two billion, eight hundred sixty-six million, one hundred thirty-one thousand, one hundred fifty-seven".