82751564 has 24 divisors (see below), whose sum is σ = 165721248. Its totient is φ = 35418240.

The previous prime is 82751531. The next prime is 82751567. The reversal of 82751564 is 46515728.

It is not an unprimeable number, because it can be changed into a prime (82751567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27494 + ... + 30354.

It is an arithmetic number, because the mean of its divisors is an integer number (6905052).

Almost surely, 2^82751564 is an apocalyptic number.

It is an amenable number.

82751564 is an abundant number, since it is smaller than the sum of its proper divisors (82969684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82751564 is a wasteful number, since it uses less digits than its factorization.

82751564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905 (or 3903 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 82751564 is about 9096.7886641386. The cubic root of 82751564 is about 435.7714131569.

It can be divided in two parts, 8 and 2751564, that added together give a palindrome (2751572).

The spelling of 82751564 in words is "eighty-two million, seven hundred fifty-one thousand, five hundred sixty-four".