8120077347 has 16 divisors (see below), whose sum is σ = 11136898080. Its totient is φ = 5259417600.

The previous prime is 8120077333. The next prime is 8120077351. The reversal of 8120077347 is 7437700218.

It is not a de Polignac number, because 8120077347 - 2⁷ = 8120077219 is a prime.

It is a super-2 number, since 2×8120077347² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8120077327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107322 + ... + 166607.

It is an arithmetic number, because the mean of its divisors is an integer number (696056130).

Almost surely, 2^8120077347 is an apocalyptic number.

8120077347 is a deficient number, since it is larger than the sum of its proper divisors (3016820733).

8120077347 is a wasteful number, since it uses less digits than its factorization.

8120077347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274214.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 8120077347 is about 90111.4717835637. The cubic root of 8120077347 is about 2009.9567944476.

The spelling of 8120077347 in words is "eight billion, one hundred twenty million, seventy-seven thousand, three hundred forty-seven".