8047371855 has 16 divisors (see below), whose sum is σ = 13633195104. Its totient is φ = 4039464960.

The previous prime is 8047371851. The next prime is 8047371877. The reversal of 8047371855 is 5581737408.

It is a happy number.

It is not a de Polignac number, because 8047371855 - 2² = 8047371851 is a prime.

It is a super-2 number, since 2×8047371855² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8047371851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15778906 + ... + 15779415.

It is an arithmetic number, because the mean of its divisors is an integer number (852074694).

Almost surely, 2^8047371855 is an apocalyptic number.

8047371855 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

8047371855 is a deficient number, since it is larger than the sum of its proper divisors (5585823249).

8047371855 is a wasteful number, since it uses less digits than its factorization.

8047371855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31558346.

The product of its (nonzero) digits is 940800, while the sum is 48.

The square root of 8047371855 is about 89707.1449495524. The cubic root of 8047371855 is about 2003.9398881276.

The spelling of 8047371855 in words is "eight billion, forty-seven million, three hundred seventy-one thousand, eight hundred fifty-five".