2868562157 has 2 divisors, whose sum is σ = 2868562158. Its totient is φ = 2868562156.

The previous prime is 2868562141. The next prime is 2868562211. The reversal of 2868562157 is 7512658682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1510565956 + 1357996201 = 38866^2 + 36851^2 .

It is a cyclic number.

It is not a de Polignac number, because 2868562157 - 2⁴ = 2868562141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2868562757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1434281078 + 1434281079.

It is an arithmetic number, because the mean of its divisors is an integer number (1434281079).

Almost surely, 2^2868562157 is an apocalyptic number.

It is an amenable number.

2868562157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2868562157 is an equidigital number, since it uses as much as digits as its factorization.

2868562157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1612800, while the sum is 50.

The square root of 2868562157 is about 53558.9596332864. The cubic root of 2868562157 is about 1420.8713419939.

The spelling of 2868562157 in words is "two billion, eight hundred sixty-eight million, five hundred sixty-two thousand, one hundred fifty-seven".