8320755811 has 8 divisors (see below), whose sum is σ = 8480070144. Its totient is φ = 8162951880.

The previous prime is 8320755809. The next prime is 8320755847. The reversal of 8320755811 is 1185570238.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8320755811 - 2¹ = 8320755809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8320555811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366475 + ... + 388516.

It is an arithmetic number, because the mean of its divisors is an integer number (1060008768).

Almost surely, 2^8320755811 is an apocalyptic number.

8320755811 is a deficient number, since it is larger than the sum of its proper divisors (159314333).

8320755811 is a wasteful number, since it uses less digits than its factorization.

8320755811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755201.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 8320755811 is about 91218.1769769600. The cubic root of 8320755811 is about 2026.3801645182.

The spelling of 8320755811 in words is "eight billion, three hundred twenty million, seven hundred fifty-five thousand, eight hundred eleven".