82890953 has 2 divisors, whose sum is σ = 82890954. Its totient is φ = 82890952.

The previous prime is 82890943. The next prime is 82891007. The reversal of 82890953 is 35909828.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82591744 + 299209 = 9088^2 + 547^2 .

It is a cyclic number.

It is not a de Polignac number, because 82890953 - 2¹⁸ = 82628809 is a prime.

It is not a weakly prime, because it can be changed into another prime (82890943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41445476 + 41445477.

It is an arithmetic number, because the mean of its divisors is an integer number (41445477).

Almost surely, 2^82890953 is an apocalyptic number.

It is an amenable number.

82890953 is a deficient number, since it is larger than the sum of its proper divisors (1).

82890953 is an equidigital number, since it uses as much as digits as its factorization.

82890953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 82890953 is about 9104.4468805084. The cubic root of 82890953 is about 436.0159510058.

The spelling of 82890953 in words is "eighty-two million, eight hundred ninety thousand, nine hundred fifty-three".