8130177755 has 24 divisors (see below), whose sum is σ = 11370227760. Its totient is φ = 5564583360.

The previous prime is 8130177751. The next prime is 8130177761. The reversal of 8130177755 is 5577710318.

It is not a de Polignac number, because 8130177755 - 2² = 8130177751 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8130177751) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101876 + ... + 163214.

It is an arithmetic number, because the mean of its divisors is an integer number (473759490).

Almost surely, 2^8130177755 is an apocalyptic number.

8130177755 is a deficient number, since it is larger than the sum of its proper divisors (3240050005).

8130177755 is a wasteful number, since it uses less digits than its factorization.

8130177755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61899 (or 61892 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 44.

The square root of 8130177755 is about 90167.4983294979. The cubic root of 8130177755 is about 2010.7898313401.

The spelling of 8130177755 in words is "eight billion, one hundred thirty million, one hundred seventy-seven thousand, seven hundred fifty-five".