377870881 has 2 divisors, whose sum is σ = 377870882. Its totient is φ = 377870880.

The previous prime is 377870861. The next prime is 377870891. The reversal of 377870881 is 188078773.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284091025 + 93779856 = 16855^2 + 9684^2 .

It is a cyclic number.

It is not a de Polignac number, because 377870881 - 2²⁷ = 243653153 is a prime.

It is a super-2 number, since 2×377870881² = 285572805415432322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (377870861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188935440 + 188935441.

It is an arithmetic number, because the mean of its divisors is an integer number (188935441).

Almost surely, 2^377870881 is an apocalyptic number.

It is an amenable number.

377870881 is a deficient number, since it is larger than the sum of its proper divisors (1).

377870881 is an equidigital number, since it uses as much as digits as its factorization.

377870881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 526848, while the sum is 49.

The square root of 377870881 is about 19438.9012292362. The cubic root of 377870881 is about 722.9603431153.

The spelling of 377870881 in words is "three hundred seventy-seven million, eight hundred seventy thousand, eight hundred eighty-one".