870776387716 has 27 divisors (see below), whose sum is σ = 1537835941551. Its totient is φ = 431430687744.

The previous prime is 870776387713. The next prime is 870776387729. The reversal of 870776387716 is 617783677078.

The square root of 870776387716 is 933154.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 276791732100 + 593984655616 = 526110^2 + 770704^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870776387713) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 210890740 + ... + 210894868.

Almost surely, 2^870776387716 is an apocalyptic number.

870776387716 is the 933154-th square number.

It is an amenable number.

870776387716 is a deficient number, since it is larger than the sum of its proper divisors (667059553835).

870776387716 is an frugal number, since it uses more digits than its factorization.

870776387716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8488 (or 4244 counting only the distinct ones).

The product of its (nonzero) digits is 116169984, while the sum is 67.

The spelling of 870776387716 in words is "eight hundred seventy billion, seven hundred seventy-six million, three hundred eighty-seven thousand, seven hundred sixteen".