38401144770878 has 8 divisors (see below), whose sum is σ = 57602030857968. Its totient is φ = 19200467818224.

The previous prime is 38401144770871. The next prime is 38401144770889. The reversal of 38401144770878 is 87807744110483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 38401144770878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38401144770871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51823751 + ... + 52559522.

It is an arithmetic number, because the mean of its divisors is an integer number (7200253857246).

Almost surely, 2^{38401144770878} is an apocalyptic number.

38401144770878 is a deficient number, since it is larger than the sum of its proper divisors (19200886087090).

38401144770878 is a wasteful number, since it uses less digits than its factorization.

38401144770878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104567218.

The product of its (nonzero) digits is 33718272, while the sum is 62.

The spelling of 38401144770878 in words is "thirty-eight trillion, four hundred one billion, one hundred forty-four million, seven hundred seventy thousand, eight hundred seventy-eight".