83478361 has 2 divisors, whose sum is σ = 83478362. Its totient is φ = 83478360.

The previous prime is 83478323. The next prime is 83478397. The reversal of 83478361 is 16387438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82083600 + 1394761 = 9060^2 + 1181^2 .

It is a cyclic number.

It is not a de Polignac number, because 83478361 - 2¹¹ = 83476313 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (83478061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41739180 + 41739181.

It is an arithmetic number, because the mean of its divisors is an integer number (41739181).

Almost surely, 2^83478361 is an apocalyptic number.

It is an amenable number.

83478361 is a deficient number, since it is larger than the sum of its proper divisors (1).

83478361 is an equidigital number, since it uses as much as digits as its factorization.

83478361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 83478361 is about 9136.6493311279. The cubic root of 83478361 is about 437.0434721907.

The spelling of 83478361 in words is "eighty-three million, four hundred seventy-eight thousand, three hundred sixty-one".