38781077028464 has 10 divisors (see below), whose sum is σ = 75138336742680. Its totient is φ = 19390538514224.

The previous prime is 38781077028431. The next prime is 38781077028493. The reversal of 38781077028464 is 46482077018783.

38781077028464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 38781077028464.

It is a congruent number.

It is an unprimeable number.

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, 1211908657124 + ... + 1211908657155.

It is an arithmetic number, because the mean of its divisors is an integer number (7513833674268).

Almost surely, 2^{38781077028464} is an apocalyptic number.

It is an amenable number.

38781077028464 is a deficient number, since it is larger than the sum of its proper divisors (36357259714216).

38781077028464 is a wasteful number, since it uses less digits than its factorization.

38781077028464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423817314287 (or 2423817314281 counting only the distinct ones).

The product of its (nonzero) digits is 101154816, while the sum is 65.

The spelling of 38781077028464 in words is "thirty-eight trillion, seven hundred eighty-one billion, seventy-seven million, twenty-eight thousand, four hundred sixty-four".