87834827 has 2 divisors, whose sum is σ = 87834828. Its totient is φ = 87834826.

The previous prime is 87834821. The next prime is 87834829. The reversal of 87834827 is 72843878.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87834827 - 2¹² = 87830731 is a prime.

Together with 87834829, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87834821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43917413 + 43917414.

It is an arithmetic number, because the mean of its divisors is an integer number (43917414).

Almost surely, 2^87834827 is an apocalyptic number.

87834827 is a deficient number, since it is larger than the sum of its proper divisors (1).

87834827 is an equidigital number, since it uses as much as digits as its factorization.

87834827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 602112, while the sum is 47.

The square root of 87834827 is about 9372.0236341998. The cubic root of 87834827 is about 444.5175548316.

The spelling of 87834827 in words is "eighty-seven million, eight hundred thirty-four thousand, eight hundred twenty-seven".