38128679 has 2 divisors, whose sum is σ = 38128680. Its totient is φ = 38128678.

The previous prime is 38128669. The next prime is 38128697. The reversal of 38128679 is 97682183.

Together with next prime (38128697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38128679 - 2⁸ = 38128423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38128619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19064339 + 19064340.

It is an arithmetic number, because the mean of its divisors is an integer number (19064340).

Almost surely, 2^38128679 is an apocalyptic number.

38128679 is a deficient number, since it is larger than the sum of its proper divisors (1).

38128679 is an equidigital number, since it uses as much as digits as its factorization.

38128679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 38128679 is about 6174.8424271393. The cubic root of 38128679 is about 336.5766005302.

The spelling of 38128679 in words is "thirty-eight million, one hundred twenty-eight thousand, six hundred seventy-nine".