38856397607 has 2 divisors, whose sum is σ = 38856397608. Its totient is φ = 38856397606.

The previous prime is 38856397529. The next prime is 38856397729. The reversal of 38856397607 is 70679365883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38856397607 - 2²² = 38852203303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38856397607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38856397207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19428198803 + 19428198804.

It is an arithmetic number, because the mean of its divisors is an integer number (19428198804).

Almost surely, 2^38856397607 is an apocalyptic number.

38856397607 is a deficient number, since it is larger than the sum of its proper divisors (1).

38856397607 is an equidigital number, since it uses as much as digits as its factorization.

38856397607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45722880, while the sum is 62.

The spelling of 38856397607 in words is "thirty-eight billion, eight hundred fifty-six million, three hundred ninety-seven thousand, six hundred seven".