38678403566782 has 16 divisors (see below), whose sum is σ = 66308613164640. Its totient is φ = 16575764051808.

The previous prime is 38678403566723. The next prime is 38678403566807. The reversal of 38678403566782 is 28766530487683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57538873 + ... + 58207204.

It is an arithmetic number, because the mean of its divisors is an integer number (4144288322790).

Almost surely, 2^{38678403566782} is an apocalyptic number.

38678403566782 is a deficient number, since it is larger than the sum of its proper divisors (27630209597858).

38678403566782 is a wasteful number, since it uses less digits than its factorization.

38678403566782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115769955.

The product of its (nonzero) digits is 1950842880, while the sum is 73.

The spelling of 38678403566782 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred three million, five hundred sixty-six thousand, seven hundred eighty-two".