3079978973 has 4 divisors (see below), whose sum is σ = 3080642748. Its totient is φ = 3079315200.

The previous prime is 3079978969. The next prime is 3079978997. The reversal of 3079978973 is 3798799703.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2592540889 + 487438084 = 50917^2 + 22078^2 .

It is a cyclic number.

It is not a de Polignac number, because 3079978973 - 2² = 3079978969 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 (3079978273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324878 + ... + 334223.

It is an arithmetic number, because the mean of its divisors is an integer number (770160687).

Almost surely, 2^3079978973 is an apocalyptic number.

It is an amenable number.

3079978973 is a deficient number, since it is larger than the sum of its proper divisors (663775).

3079978973 is an equidigital number, since it uses as much as digits as its factorization.

3079978973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663774.

The product of its (nonzero) digits is 18003384, while the sum is 62.

The square root of 3079978973 is about 55497.5582616028. The cubic root of 3079978973 is about 1454.9539587782.

The spelling of 3079978973 in words is "three billion, seventy-nine million, nine hundred seventy-eight thousand, nine hundred seventy-three".