84156329 has 2 divisors, whose sum is σ = 84156330. Its totient is φ = 84156328.

The previous prime is 84156323. The next prime is 84156343. The reversal of 84156329 is 92365148.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76090729 + 8065600 = 8723^2 + 2840^2 .

It is a cyclic number.

It is not a de Polignac number, because 84156329 - 2¹⁶ = 84090793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84156292 and 84156301.

It is not a weakly prime, because it can be changed into another prime (84156323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42078164 + 42078165.

It is an arithmetic number, because the mean of its divisors is an integer number (42078165).

Almost surely, 2^84156329 is an apocalyptic number.

It is an amenable number.

84156329 is a deficient number, since it is larger than the sum of its proper divisors (1).

84156329 is an equidigital number, since it uses as much as digits as its factorization.

84156329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 84156329 is about 9173.6758717539. The cubic root of 84156329 is about 438.2234304824.

The spelling of 84156329 in words is "eighty-four million, one hundred fifty-six thousand, three hundred twenty-nine".