870769916 has 12 divisors (see below), whose sum is σ = 1543137120. Its totient is φ = 429873600.

The previous prime is 870769901. The next prime is 870769927. The reversal of 870769916 is 619967078.

It is a happy number.

It is a super-2 number, since 2×870769916² = 1516480493221294112, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1377485 + ... + 1378116.

It is an arithmetic number, because the mean of its divisors is an integer number (128594760).

Almost surely, 2^870769916 is an apocalyptic number.

It is an amenable number.

870769916 is a deficient number, since it is larger than the sum of its proper divisors (672367204).

870769916 is a wasteful number, since it uses less digits than its factorization.

870769916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755684 (or 2755682 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 53.

The square root of 870769916 is about 29508.8108198213. The cubic root of 870769916 is about 954.9217943506.

The spelling of 870769916 in words is "eight hundred seventy million, seven hundred sixty-nine thousand, nine hundred sixteen".