8013765312 has 168 divisors, whose sum is σ = 26319370272. Its totient is φ = 2283724800.

The previous prime is 8013765251. The next prime is 8013765359. The reversal of 8013765312 is 2135673108.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1695112 + ... + 1699832.

Almost surely, 2^8013765312 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 8013765312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13159685136).

8013765312 is an abundant number, since it is smaller than the sum of its proper divisors (18305604960).

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

8013765312 is a wasteful number, since it uses less digits than its factorization.

8013765312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167 (or 5154 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 8013765312 is about 89519.6364603878. The cubic root of 8013765312 is about 2001.1464520316.

The spelling of 8013765312 in words is "eight billion, thirteen million, seven hundred sixty-five thousand, three hundred twelve".