2978380436794 has 32 divisors (see below), whose sum is σ = 5342728968576. Its totient is φ = 1218517110720.

The previous prime is 2978380436789. The next prime is 2978380436819. The reversal of 2978380436794 is 4976340838792.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54215652 + ... + 54270559.

It is an arithmetic number, because the mean of its divisors is an integer number (166960280268).

Almost surely, 2^{2978380436794} is an apocalyptic number.

2978380436794 is a deficient number, since it is larger than the sum of its proper divisors (2364348531782).

2978380436794 is a wasteful number, since it uses less digits than its factorization.

2978380436794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108486310.

The product of its (nonzero) digits is 438939648, while the sum is 70.

The spelling of 2978380436794 in words is "two trillion, nine hundred seventy-eight billion, three hundred eighty million, four hundred thirty-six thousand, seven hundred ninety-four".