38855423671 has 2 divisors, whose sum is σ = 38855423672. Its totient is φ = 38855423670.

The previous prime is 38855423657. The next prime is 38855423689. The reversal of 38855423671 is 17632455883.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38855423671 - 2¹³ = 38855415479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38855423471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19427711835 + 19427711836.

It is an arithmetic number, because the mean of its divisors is an integer number (19427711836).

Almost surely, 2^38855423671 is an apocalyptic number.

38855423671 is a deficient number, since it is larger than the sum of its proper divisors (1).

38855423671 is an equidigital number, since it uses as much as digits as its factorization.

38855423671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4838400, while the sum is 52.

The spelling of 38855423671 in words is "thirty-eight billion, eight hundred fifty-five million, four hundred twenty-three thousand, six hundred seventy-one".