2978684017 has 8 divisors (see below), whose sum is σ = 3147953760. Its totient is φ = 2810664000.

The previous prime is 2978683993. The next prime is 2978684141. The reversal of 2978684017 is 7104868792.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2978684017 - 2²³ = 2970295409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2978684617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307528 + ... + 317065.

It is an arithmetic number, because the mean of its divisors is an integer number (393494220).

Almost surely, 2^2978684017 is an apocalyptic number.

It is an amenable number.

2978684017 is a deficient number, since it is larger than the sum of its proper divisors (169269743).

2978684017 is a wasteful number, since it uses less digits than its factorization.

2978684017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624863.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The square root of 2978684017 is about 54577.3214531457. The cubic root of 2978684017 is about 1438.8255626335.

The spelling of 2978684017 in words is "two billion, nine hundred seventy-eight million, six hundred eighty-four thousand, seventeen".