82701563 has 12 divisors (see below), whose sum is σ = 96353712. Its totient is φ = 70776720.

The previous prime is 82701503. The next prime is 82701569. The reversal of 82701563 is 36510728.

It is a happy number.

It is not a de Polignac number, because 82701563 - 2⁶ = 82701499 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (82701569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53978 + ... + 55488.

It is an arithmetic number, because the mean of its divisors is an integer number (8029476).

Almost surely, 2^82701563 is an apocalyptic number.

82701563 is a deficient number, since it is larger than the sum of its proper divisors (13652149).

82701563 is a wasteful number, since it uses less digits than its factorization.

82701563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642 (or 2635 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 82701563 is about 9094.0399713219. The cubic root of 82701563 is about 435.6836267136.

The spelling of 82701563 in words is "eighty-two million, seven hundred one thousand, five hundred sixty-three".