378778748 has 24 divisors (see below), whose sum is σ = 668755920. Its totient is φ = 187712640.

The previous prime is 378778723. The next prime is 378778759. The reversal of 378778748 is 847877873.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370478 + ... + 371498.

It is an arithmetic number, because the mean of its divisors is an integer number (27864830).

Almost surely, 2^378778748 is an apocalyptic number.

It is an amenable number.

378778748 is a deficient number, since it is larger than the sum of its proper divisors (289977172).

378778748 is a wasteful number, since it uses less digits than its factorization.

378778748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757 (or 1755 counting only the distinct ones).

The product of its digits is 14751744, while the sum is 59.

The square root of 378778748 is about 19462.2390284366. The cubic root of 378778748 is about 723.5388713236.

The spelling of 378778748 in words is "three hundred seventy-eight million, seven hundred seventy-eight thousand, seven hundred forty-eight".