2978494704075 has 192 divisors, whose sum is σ = 5618150129664. Its totient is φ = 1379294400000.

The previous prime is 2978494704049. The next prime is 2978494704077. The reversal of 2978494704075 is 5704074948792.

It is not a de Polignac number, because 2978494704075 - 2⁹ = 2978494703563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2978494703997 and 2978494704015.

It is not an unprimeable number, because it can be changed into a prime (2978494704077) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 896325364 + ... + 896328686.

It is an arithmetic number, because the mean of its divisors is an integer number (29261198592).

Almost surely, 2^{2978494704075} is an apocalyptic number.

2978494704075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2978494704075 is a deficient number, since it is larger than the sum of its proper divisors (2639655425589).

2978494704075 is a wasteful number, since it uses less digits than its factorization.

2978494704075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826 (or 3821 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 66.

The spelling of 2978494704075 in words is "two trillion, nine hundred seventy-eight billion, four hundred ninety-four million, seven hundred four thousand, seventy-five".