3967776312 has 64 divisors (see below), whose sum is σ = 10353238560. Its totient is φ = 1265971200.

The previous prime is 3967776287. The next prime is 3967776389. The reversal of 3967776312 is 2136777693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14112 + ... + 90192.

Almost surely, 2^3967776312 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 3967776312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5176619280).

3967776312 is an abundant number, since it is smaller than the sum of its proper divisors (6385462248).

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

3967776312 is a wasteful number, since it uses less digits than its factorization.

3967776312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76184 (or 76180 counting only the distinct ones).

The product of its digits is 2000376, while the sum is 51.

The square root of 3967776312 is about 62990.2874417953. The cubic root of 3967776312 is about 1583.1268942251.

The spelling of 3967776312 in words is "three billion, nine hundred sixty-seven million, seven hundred seventy-six thousand, three hundred twelve".