87834379 has 2 divisors, whose sum is σ = 87834380. Its totient is φ = 87834378.

The previous prime is 87834353. The next prime is 87834389. The reversal of 87834379 is 97343878.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87834379 - 2²⁵ = 54279947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87834319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43917189 + 43917190.

It is an arithmetic number, because the mean of its divisors is an integer number (43917190).

Almost surely, 2^87834379 is an apocalyptic number.

87834379 is a deficient number, since it is larger than the sum of its proper divisors (1).

87834379 is an equidigital number, since it uses as much as digits as its factorization.

87834379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 49.

The square root of 87834379 is about 9371.9997332480. Note that the first 3 decimals coincide. The cubic root of 87834379 is about 444.5167990790.

It can be divided in two parts, 8 and 7834379, that added together give a palindrome (7834387).

The spelling of 87834379 in words is "eighty-seven million, eight hundred thirty-four thousand, three hundred seventy-nine".