3778778878750 has 40 divisors (see below), whose sum is σ = 7083643727160. Its totient is φ = 1511362044000.

The previous prime is 3778778878747. The next prime is 3778778878751. The reversal of 3778778878750 is 578788778773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778778878751) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12951981 + ... + 13240519.

It is an arithmetic number, because the mean of its divisors is an integer number (177091093179).

Almost surely, 2^{3778778878750} is an apocalyptic number.

3778778878750 is a deficient number, since it is larger than the sum of its proper divisors (3304864848410).

3778778878750 is a wasteful number, since it uses less digits than its factorization.

3778778878750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299038 (or 299023 counting only the distinct ones).

The product of its (nonzero) digits is 7228354560, while the sum is 82.

The spelling of 3778778878750 in words is "three trillion, seven hundred seventy-eight billion, seven hundred seventy-eight million, eight hundred seventy-eight thousand, seven hundred fifty".