3778150742755 has 8 divisors (see below), whose sum is σ = 4690118163600. Its totient is φ = 2918295746016.

The previous prime is 3778150742719. The next prime is 3778150742759. The reversal of 3778150742755 is 5572470518773.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3778150742755 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3778150742693 and 3778150742702.

It is not an unprimeable number, because it can be changed into a prime (3778150742759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13028105865 + ... + 13028106154.

It is an arithmetic number, because the mean of its divisors is an integer number (586264770450).

Almost surely, 2^{3778150742755} is an apocalyptic number.

3778150742755 is a deficient number, since it is larger than the sum of its proper divisors (911967420845).

3778150742755 is a wasteful number, since it uses less digits than its factorization.

3778150742755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26056212053.

The product of its (nonzero) digits is 57624000, while the sum is 61.

The spelling of 3778150742755 in words is "three trillion, seven hundred seventy-eight billion, one hundred fifty million, seven hundred forty-two thousand, seven hundred fifty-five".