82405703 has 2 divisors, whose sum is σ = 82405704. Its totient is φ = 82405702.

The previous prime is 82405699. The next prime is 82405709. The reversal of 82405703 is 30750428.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82405703 - 2² = 82405699 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82405709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41202851 + 41202852.

It is an arithmetic number, because the mean of its divisors is an integer number (41202852).

Almost surely, 2^82405703 is an apocalyptic number.

82405703 is a deficient number, since it is larger than the sum of its proper divisors (1).

82405703 is an equidigital number, since it uses as much as digits as its factorization.

82405703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 82405703 is about 9077.7586991504. The cubic root of 82405703 is about 435.1634617103.

The spelling of 82405703 in words is "eighty-two million, four hundred five thousand, seven hundred three".