38668777 has 8 divisors (see below), whose sum is σ = 44942400. Its totient is φ = 32582544.

The previous prime is 38668771. The next prime is 38668783. The reversal of 38668777 is 77786683.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (38668771) and next prime (38668783).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38668777 - 2⁷ = 38668649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38668771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46402 + ... + 47227.

It is an arithmetic number, because the mean of its divisors is an integer number (5617800).

Almost surely, 2^38668777 is an apocalyptic number.

It is an amenable number.

38668777 is a deficient number, since it is larger than the sum of its proper divisors (6273623).

38668777 is an equidigital number, since it uses as much as digits as its factorization.

38668777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93695.

The product of its digits is 2370816, while the sum is 52.

The square root of 38668777 is about 6218.4223883554. The cubic root of 38668777 is about 338.1583731977.

The spelling of 38668777 in words is "thirty-eight million, six hundred sixty-eight thousand, seven hundred seventy-seven".