8077695377 has 4 divisors (see below), whose sum is σ = 8083151076. Its totient is φ = 8072239680.

The previous prime is 8077695371. The next prime is 8077695419. The reversal of 8077695377 is 7735967708.

It is a Cunningham number, because it is equal to 89876²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3457910416 + 4619784961 = 58804^2 + 67969^2 .

It is a cyclic number.

It is not a de Polignac number, because 8077695377 - 2⁶ = 8077695313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8077695371) 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 3 ways as a sum of consecutive naturals, for example, 2725628 + ... + 2728589.

It is an arithmetic number, because the mean of its divisors is an integer number (2020787769).

Almost surely, 2^8077695377 is an apocalyptic number.

It is an amenable number.

8077695377 is a deficient number, since it is larger than the sum of its proper divisors (5455699).

8077695377 is a wasteful number, since it uses less digits than its factorization.

8077695377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5455698.

The product of its (nonzero) digits is 15558480, while the sum is 59.

The square root of 8077695377 is about 89876.0000055632. Note that the first 5 decimals coincide. The cubic root of 8077695377 is about 2006.4537667965.

The spelling of 8077695377 in words is "eight billion, seventy-seven million, six hundred ninety-five thousand, three hundred seventy-seven".