29142887 has 2 divisors, whose sum is σ = 29142888. Its totient is φ = 29142886.

The previous prime is 29142881. The next prime is 29142889. The reversal of 29142887 is 78824192.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29142887 - 2⁴ = 29142871 is a prime.

Together with 29142889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29142881) 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, 14571443 + 14571444.

It is an arithmetic number, because the mean of its divisors is an integer number (14571444).

Almost surely, 2^29142887 is an apocalyptic number.

29142887 is a deficient number, since it is larger than the sum of its proper divisors (1).

29142887 is an equidigital number, since it uses as much as digits as its factorization.

29142887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 41.

The square root of 29142887 is about 5398.4152304172. The cubic root of 29142887 is about 307.7354470588.

The spelling of 29142887 in words is "twenty-nine million, one hundred forty-two thousand, eight hundred eighty-seven".