38777440644703 has 2 divisors, whose sum is σ = 38777440644704. Its totient is φ = 38777440644702.

The previous prime is 38777440644689. The next prime is 38777440644773. The reversal of 38777440644703 is 30744604477783.

38777440644703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38777440644703 - 2⁵ = 38777440644671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38777440644773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19388720322351 + 19388720322352.

It is an arithmetic number, because the mean of its divisors is an integer number (19388720322352).

Almost surely, 2^{38777440644703} is an apocalyptic number.

38777440644703 is a deficient number, since it is larger than the sum of its proper divisors (1).

38777440644703 is an equidigital number, since it uses as much as digits as its factorization.

38777440644703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 265531392, while the sum is 64.

The spelling of 38777440644703 in words is "thirty-eight trillion, seven hundred seventy-seven billion, four hundred forty million, six hundred forty-four thousand, seven hundred three".