38778253753284 has 48 divisors (see below), whose sum is σ = 100569737520000. Its totient is φ = 12921774344928.

The previous prime is 38778253753279. The next prime is 38778253753289. The reversal of 38778253753284 is 48235735287783.

It is a happy number.

38778253753284 is a `hidden beast` number, since 3 + 8 + 7 + 7 + 8 + 2 + 5 + 3 + 7 + 532 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (38778253753279) and next prime (38778253753289).

It is not an unprimeable number, because it can be changed into a prime (38778253753289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59539047 + ... + 60186830.

It is an arithmetic number, because the mean of its divisors is an integer number (2095202865000).

Almost surely, 2^{38778253753284} is an apocalyptic number.

It is an amenable number.

38778253753284 is an abundant number, since it is smaller than the sum of its proper divisors (61791483766716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38778253753284 is a wasteful number, since it uses less digits than its factorization.

38778253753284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119728889 (or 119728881 counting only the distinct ones).

The product of its digits is 1896652800, while the sum is 72.

The spelling of 38778253753284 in words is "thirty-eight trillion, seven hundred seventy-eight billion, two hundred fifty-three million, seven hundred fifty-three thousand, two hundred eighty-four".