8140476977 has 2 divisors, whose sum is σ = 8140476978. Its totient is φ = 8140476976.

The previous prime is 8140476973. The next prime is 8140476997. The reversal of 8140476977 is 7796740418.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8072842801 + 67634176 = 89849^2 + 8224^2 .

It is a cyclic number.

It is not a de Polignac number, because 8140476977 - 2² = 8140476973 is a prime.

It is not a weakly prime, because it can be changed into another prime (8140476973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4070238488 + 4070238489.

It is an arithmetic number, because the mean of its divisors is an integer number (4070238489).

Almost surely, 2^8140476977 is an apocalyptic number.

It is an amenable number.

8140476977 is a deficient number, since it is larger than the sum of its proper divisors (1).

8140476977 is an equidigital number, since it uses as much as digits as its factorization.

8140476977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The square root of 8140476977 is about 90224.5918638594. The cubic root of 8140476977 is about 2011.6385553883.

The spelling of 8140476977 in words is "eight billion, one hundred forty million, four hundred seventy-six thousand, nine hundred seventy-seven".