2077376655809 has 12 divisors (see below), whose sum is σ = 2570819463936. Its totient is φ = 1643638671792.

The previous prime is 2077376655803. The next prime is 2077376655829. The reversal of 2077376655809 is 9085566737702.

It is not a de Polignac number, because 2077376655809 - 2⁸ = 2077376655553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2077376655803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 878010929 + ... + 878013294.

It is an arithmetic number, because the mean of its divisors is an integer number (214234955328).

Almost surely, 2^{2077376655809} is an apocalyptic number.

It is an amenable number.

2077376655809 is a deficient number, since it is larger than the sum of its proper divisors (493442808127).

2077376655809 is a wasteful number, since it uses less digits than its factorization.

2077376655809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756024256 (or 1756024243 counting only the distinct ones).

The product of its (nonzero) digits is 133358400, while the sum is 65.

The spelling of 2077376655809 in words is "two trillion, seventy-seven billion, three hundred seventy-six million, six hundred fifty-five thousand, eight hundred nine".