82864801 has 2 divisors, whose sum is σ = 82864802. Its totient is φ = 82864800.

The previous prime is 82864787. The next prime is 82864841. The reversal of 82864801 is 10846828.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54774801 + 28090000 = 7401^2 + 5300^2 .

It is a cyclic number.

It is not a de Polignac number, because 82864801 - 2⁷ = 82864673 is a prime.

It is not a weakly prime, because it can be changed into another prime (82864841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41432400 + 41432401.

It is an arithmetic number, because the mean of its divisors is an integer number (41432401).

Almost surely, 2^82864801 is an apocalyptic number.

It is an amenable number.

82864801 is a deficient number, since it is larger than the sum of its proper divisors (1).

82864801 is an equidigital number, since it uses as much as digits as its factorization.

82864801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 82864801 is about 9103.0105459677. The cubic root of 82864801 is about 435.9700920062.

The spelling of 82864801 in words is "eighty-two million, eight hundred sixty-four thousand, eight hundred one".