2978348438792 has 8 divisors (see below), whose sum is σ = 5584403322750. Its totient is φ = 1489174219392.

The previous prime is 2978348438777. The next prime is 2978348438797.

2978348438792 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 1905686377156 + 1072662061636 = 1380466^2 + 1035694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2978348438797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186146777417 + ... + 186146777432.

Almost surely, 2^{2978348438792} is an apocalyptic number.

It is an amenable number.

2978348438792 is a deficient number, since it is larger than the sum of its proper divisors (2606054883958).

2978348438792 is a wasteful number, since it uses less digits than its factorization.

2978348438792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372293554855 (or 372293554851 counting only the distinct ones).

The product of its digits is 1170505728, while the sum is 74.

The spelling of 2978348438792 in words is "two trillion, nine hundred seventy-eight billion, three hundred forty-eight million, four hundred thirty-eight thousand, seven hundred ninety-two".