87205808038 has 16 divisors (see below), whose sum is σ = 140172061680. Its totient is φ = 40543591936.

The previous prime is 87205807993. The next prime is 87205808077. The reversal of 87205808038 is 83080850278.

It is a junction number, because it is equal to n+sod(n) for n = 87205807982 and 87205808000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15448243 + ... + 15453886.

It is an arithmetic number, because the mean of its divisors is an integer number (8760753855).

Almost surely, 2^87205808038 is an apocalyptic number.

87205808038 is a deficient number, since it is larger than the sum of its proper divisors (52966253642).

87205808038 is a wasteful number, since it uses less digits than its factorization.

87205808038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30902231.

The product of its (nonzero) digits is 860160, while the sum is 49.

The spelling of 87205808038 in words is "eighty-seven billion, two hundred five million, eight hundred eight thousand, thirty-eight".