82687004 has 12 divisors (see below), whose sum is σ = 149692200. Its totient is φ = 39917808.

The previous prime is 82686991. The next prime is 82687039. The reversal of 82687004 is 40078628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356294 + ... + 356525.

It is an arithmetic number, because the mean of its divisors is an integer number (12474350).

Almost surely, 2^82687004 is an apocalyptic number.

It is an amenable number.

82687004 is a deficient number, since it is larger than the sum of its proper divisors (67005196).

82687004 is a wasteful number, since it uses less digits than its factorization.

82687004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712852 (or 712850 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 82687004 is about 9093.2394667687. The cubic root of 82687004 is about 435.6580589172.

The spelling of 82687004 in words is "eighty-two million, six hundred eighty-seven thousand, four".