867777696 has 72 divisors (see below), whose sum is σ = 2475342324. Its totient is φ = 288368640.

The previous prime is 867777661. The next prime is 867777721. The reversal of 867777696 is 696777768.

867777696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 866478096 + 1299600 = 29436^2 + 1140^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92586 + ... + 101526.

Almost surely, 2^867777696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 867777696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1237671162).

867777696 is an abundant number, since it is smaller than the sum of its proper divisors (1607564628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

867777696 is a wasteful number, since it uses less digits than its factorization.

867777696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9294 (or 9283 counting only the distinct ones).

The product of its digits is 37340352, while the sum is 63.

The square root of 867777696 is about 29458.0667390106. The cubic root of 867777696 is about 953.8267422662.

The spelling of 867777696 in words is "eight hundred sixty-seven million, seven hundred seventy-seven thousand, six hundred ninety-six".