86929379 has 2 divisors, whose sum is σ = 86929380. Its totient is φ = 86929378.

The previous prime is 86929357. The next prime is 86929411. The reversal of 86929379 is 97392968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86929379 - 2¹² = 86925283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86929379.

It is not a weakly prime, because it can be changed into another prime (86929079) 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, 43464689 + 43464690.

It is an arithmetic number, because the mean of its divisors is an integer number (43464690).

Almost surely, 2^86929379 is an apocalyptic number.

86929379 is a deficient number, since it is larger than the sum of its proper divisors (1).

86929379 is an equidigital number, since it uses as much as digits as its factorization.

86929379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 53.

The square root of 86929379 is about 9323.5926015673. The cubic root of 86929379 is about 442.9848350724.

The spelling of 86929379 in words is "eighty-six million, nine hundred twenty-nine thousand, three hundred seventy-nine".