38782261761012 has 72 divisors (see below), whose sum is σ = 122222885558592. Its totient is φ = 10073314742400.

The previous prime is 38782261760981. The next prime is 38782261761017. The reversal of 38782261761012 is 21016716228783.

38782261761012 is a `hidden beast` number, since 3 + 8 + 7 + 8 + 2 + 2 + 6 + 1 + 7 + 610 + 12 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 38782261761012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38782261761017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6995354689 + ... + 6995360232.

Almost surely, 2^{38782261761012} is an apocalyptic number.

It is an amenable number.

38782261761012 is an abundant number, since it is smaller than the sum of its proper divisors (83440623797580).

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

38782261761012 is a wasteful number, since it uses less digits than its factorization.

38782261761012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13990714949 (or 13990714944 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

Adding to 38782261761012 its reverse (21016716228783), we get a palindrome (59798977989795).

The spelling of 38782261761012 in words is "thirty-eight trillion, seven hundred eighty-two billion, two hundred sixty-one million, seven hundred sixty-one thousand, twelve".