83102147 has 2 divisors, whose sum is σ = 83102148. Its totient is φ = 83102146.

The previous prime is 83102119. The next prime is 83102153. The reversal of 83102147 is 74120138.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83102147 - 2⁶ = 83102083 is a prime.

It is not a weakly prime, because it can be changed into another prime (83102947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41551073 + 41551074.

It is an arithmetic number, because the mean of its divisors is an integer number (41551074).

Almost surely, 2^83102147 is an apocalyptic number.

83102147 is a deficient number, since it is larger than the sum of its proper divisors (1).

83102147 is an equidigital number, since it uses as much as digits as its factorization.

83102147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 83102147 is about 9116.0379003161. The cubic root of 83102147 is about 436.3859385395.

Subtracting from 83102147 its reverse (74120138), we obtain a square (8982009 = 2997²).

The spelling of 83102147 in words is "eighty-three million, one hundred two thousand, one hundred forty-seven".