82087702 has 4 divisors (see below), whose sum is σ = 123131556. Its totient is φ = 41043850.

The previous prime is 82087673. The next prime is 82087723. The reversal of 82087702 is 20778028.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20521924 + ... + 20521927.

It is an arithmetic number, because the mean of its divisors is an integer number (30782889).

Almost surely, 2^82087702 is an apocalyptic number.

82087702 is a deficient number, since it is larger than the sum of its proper divisors (41043854).

82087702 is a wasteful number, since it uses less digits than its factorization.

82087702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41043853.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 82087702 is about 9060.2263768628. The cubic root of 82087702 is about 434.6029794540.

The spelling of 82087702 in words is "eighty-two million, eighty-seven thousand, seven hundred two".