8077980312 has 80 divisors (see below), whose sum is σ = 22898577240. Its totient is φ = 2660200704.

The previous prime is 8077980311. The next prime is 8077980347. The reversal of 8077980312 is 2130897708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8077980311) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21313 + ... + 128880.

Almost surely, 2^8077980312 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 8077980312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11449288620).

8077980312 is an abundant number, since it is smaller than the sum of its proper divisors (14820596928).

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

8077980312 is a wasteful number, since it uses less digits than its factorization.

8077980312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150294 (or 150281 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 8077980312 is about 89877.5851477998. The cubic root of 8077980312 is about 2006.4773585990.

The spelling of 8077980312 in words is "eight billion, seventy-seven million, nine hundred eighty thousand, three hundred twelve".