3878767 has 2 divisors, whose sum is σ = 3878768. Its totient is φ = 3878766.

The previous prime is 3878761. The next prime is 3878773. The reversal of 3878767 is 7678783.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (3878761) and next prime (3878773).

It is a cyclic number.

It is not a de Polignac number, because 3878767 - 2³ = 3878759 is a prime.

It is an alternating number because its digits alternate between odd and even.

3878767 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3878761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1939383 + 1939384.

It is an arithmetic number, because the mean of its divisors is an integer number (1939384).

Almost surely, 2^3878767 is an apocalyptic number.

3878767 is a deficient number, since it is larger than the sum of its proper divisors (1).

3878767 is an equidigital number, since it uses as much as digits as its factorization.

3878767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 395136, while the sum is 46.

The square root of 3878767 is about 1969.4585550349. The cubic root of 3878767 is about 157.1199132578.

The spelling of 3878767 in words is "three million, eight hundred seventy-eight thousand, seven hundred sixty-seven".