82156093 has 2 divisors, whose sum is σ = 82156094. Its totient is φ = 82156092.

The previous prime is 82156079. The next prime is 82156103. The reversal of 82156093 is 39065128.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60793209 + 21362884 = 7797^2 + 4622^2 .

It is a cyclic number.

It is not a de Polignac number, because 82156093 - 2²¹ = 80058941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82156493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41078046 + 41078047.

It is an arithmetic number, because the mean of its divisors is an integer number (41078047).

Almost surely, 2^82156093 is an apocalyptic number.

It is an amenable number.

82156093 is a deficient number, since it is larger than the sum of its proper divisors (1).

82156093 is an equidigital number, since it uses as much as digits as its factorization.

82156093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 82156093 is about 9063.9998345101. Note that the first 3 decimals coincide. The cubic root of 82156093 is about 434.7236417901.

The spelling of 82156093 in words is "eighty-two million, one hundred fifty-six thousand, ninety-three".