87982677 has 12 divisors (see below), whose sum is σ = 127181964. Its totient is φ = 58610880.

The previous prime is 87982669. The next prime is 87982709. The reversal of 87982677 is 77628978.

It can be written as a sum of positive squares in 2 ways, for example, as 69655716 + 18326961 = 8346^2 + 4281^2 .

It is not a de Polignac number, because 87982677 - 2³ = 87982669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87982627) 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 11 ways as a sum of consecutive naturals, for example, 12777 + ... + 18417.

It is an arithmetic number, because the mean of its divisors is an integer number (10598497).

Almost surely, 2^87982677 is an apocalyptic number.

It is an amenable number.

87982677 is a deficient number, since it is larger than the sum of its proper divisors (39199287).

87982677 is a wasteful number, since it uses less digits than its factorization.

87982677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7380 (or 7377 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 54.

The square root of 87982677 is about 9379.9081552007. The cubic root of 87982677 is about 444.7668298295.

The spelling of 87982677 in words is "eighty-seven million, nine hundred eighty-two thousand, six hundred seventy-seven".