381962677 has 2 divisors, whose sum is σ = 381962678. Its totient is φ = 381962676.

The previous prime is 381962657. The next prime is 381962689. The reversal of 381962677 is 776269183.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341843121 + 40119556 = 18489^2 + 6334^2 .

It is a cyclic number.

It is not a de Polignac number, because 381962677 - 2⁷ = 381962549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 381962677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381962617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190981338 + 190981339.

It is an arithmetic number, because the mean of its divisors is an integer number (190981339).

Almost surely, 2^381962677 is an apocalyptic number.

It is an amenable number.

381962677 is a deficient number, since it is larger than the sum of its proper divisors (1).

381962677 is an equidigital number, since it uses as much as digits as its factorization.

381962677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 49.

The square root of 381962677 is about 19543.8654569663. The cubic root of 381962677 is about 725.5605190512.

The spelling of 381962677 in words is "three hundred eighty-one million, nine hundred sixty-two thousand, six hundred seventy-seven".