82761087 has 16 divisors (see below), whose sum is σ = 111896928. Its totient is φ = 54405120.

The previous prime is 82761071. The next prime is 82761097. The reversal of 82761087 is 78016728.

It is not a de Polignac number, because 82761087 - 2⁴ = 82761071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82761047) 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 15 ways as a sum of consecutive naturals, for example, 81193 + ... + 82205.

It is an arithmetic number, because the mean of its divisors is an integer number (6993558).

Almost surely, 2^82761087 is an apocalyptic number.

82761087 is a deficient number, since it is larger than the sum of its proper divisors (29135841).

82761087 is a wasteful number, since it uses less digits than its factorization.

82761087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370.

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 82761087 is about 9097.3120755529. The cubic root of 82761087 is about 435.7881286193.

The spelling of 82761087 in words is "eighty-two million, seven hundred sixty-one thousand, eighty-seven".