2978063999 has 8 divisors (see below), whose sum is σ = 3037288320. Its totient is φ = 2919131416.

The previous prime is 2978063983. The next prime is 2978064049. The reversal of 2978063999 is 9993608792.

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 2978063999 - 2⁴ = 2978063983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978063939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52259 + ... + 93204.

It is an arithmetic number, because the mean of its divisors is an integer number (379661040).

Almost surely, 2^2978063999 is an apocalyptic number.

2978063999 is a deficient number, since it is larger than the sum of its proper divisors (59224321).

2978063999 is a wasteful number, since it uses less digits than its factorization.

2978063999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145869.

The product of its (nonzero) digits is 13226976, while the sum is 62.

The square root of 2978063999 is about 54571.6409777093. The cubic root of 2978063999 is about 1438.7257243999.

The spelling of 2978063999 in words is "two billion, nine hundred seventy-eight million, sixty-three thousand, nine hundred ninety-nine".