4011977 has 2 divisors, whose sum is σ = 4011978. Its totient is φ = 4011976.

The previous prime is 4011929. The next prime is 4011979. The reversal of 4011977 is 7791104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3924361 + 87616 = 1981^2 + 296^2 .

It is a cyclic number.

It is not a de Polignac number, because 4011977 - 2¹⁰ = 4010953 is a prime.

Together with 4011979, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₂₈₃₉₄₃ and since 4011977 and 283943 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (4011979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2005988 + 2005989.

It is an arithmetic number, because the mean of its divisors is an integer number (2005989).

Almost surely, 2^4011977 is an apocalyptic number.

It is an amenable number.

4011977 is a deficient number, since it is larger than the sum of its proper divisors (1).

4011977 is an equidigital number, since it uses as much as digits as its factorization.

4011977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 4011977 is about 2002.9920119661. The cubic root of 4011977 is about 158.8983831805.

The spelling of 4011977 in words is "four million, eleven thousand, nine hundred seventy-seven".