2027664977 has 16 divisors (see below), whose sum is σ = 2232437760. Its totient is φ = 1830201600.

The previous prime is 2027664943. The next prime is 2027664997. The reversal of 2027664977 is 7794667202.

It is a cyclic number.

It is not a de Polignac number, because 2027664977 - 2²⁰ = 2026616401 is a prime.

It is a super-2 number, since 2×2027664977² = 8222850517904821058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2027664917) 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, 139577 + ... + 153417.

It is an arithmetic number, because the mean of its divisors is an integer number (139527360).

Almost surely, 2^2027664977 is an apocalyptic number.

It is an amenable number.

2027664977 is a deficient number, since it is larger than the sum of its proper divisors (204772783).

2027664977 is a wasteful number, since it uses less digits than its factorization.

2027664977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14104.

The product of its (nonzero) digits is 1778112, while the sum is 50.

The square root of 2027664977 is about 45029.6011197079. The cubic root of 2027664977 is about 1265.7037493952.

The spelling of 2027664977 in words is "two billion, twenty-seven million, six hundred sixty-four thousand, nine hundred seventy-seven".