120763386769638 has 8 divisors (see below), whose sum is σ = 241526773539288. Its totient is φ = 40254462256544.

The previous prime is 120763386769633. The next prime is 120763386769819. The reversal of 120763386769638 is 836967683367021.

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

120763386769638 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 120763386769638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120763386769633) 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, 10063615564131 + ... + 10063615564142.

It is an arithmetic number, because the mean of its divisors is an integer number (30190846692411).

Almost surely, 2^{120763386769638} is an apocalyptic number.

120763386769638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

120763386769638 is a wasteful number, since it uses less digits than its factorization.

120763386769638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20127231128278.

The product of its (nonzero) digits is 1975228416, while the sum is 75.

The spelling of 120763386769638 in words is "one hundred twenty trillion, seven hundred sixty-three billion, three hundred eighty-six million, seven hundred sixty-nine thousand, six hundred thirty-eight".