870538738 has 16 divisors (see below), whose sum is σ = 1342336320. Its totient is φ = 423115056.

The previous prime is 870538723. The next prime is 870538763. The reversal of 870538738 is 837835078.

It is a junction number, because it is equal to n+sod(n) for n = 870538691 and 870538700.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 85693 + ... + 95311.

It is an arithmetic number, because the mean of its divisors is an integer number (83896020).

Almost surely, 2^870538738 is an apocalyptic number.

870538738 is a deficient number, since it is larger than the sum of its proper divisors (471797582).

870538738 is a wasteful number, since it uses less digits than its factorization.

870538738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10881.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The square root of 870538738 is about 29504.8934585434. The cubic root of 870538738 is about 954.8372804641.

The spelling of 870538738 in words is "eight hundred seventy million, five hundred thirty-eight thousand, seven hundred thirty-eight".