7999780058 has 8 divisors (see below), whose sum is σ = 12017502228. Its totient is φ = 3993945984.

The previous prime is 7999780057. The next prime is 7999780079. The reversal of 7999780058 is 8500879997.

7999780058 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6730069369 + 1269710689 = 82037^2 + 35633^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7999780057) 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, 2970341 + ... + 2973032.

Almost surely, 2^7999780058 is an apocalyptic number.

7999780058 is a deficient number, since it is larger than the sum of its proper divisors (4017722170).

7999780058 is a wasteful number, since it uses less digits than its factorization.

7999780058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5944048.

The product of its (nonzero) digits is 11430720, while the sum is 62.

The square root of 7999780058 is about 89441.4895783830. The cubic root of 7999780058 is about 1999.9816713320.

The spelling of 7999780058 in words is "seven billion, nine hundred ninety-nine million, seven hundred eighty thousand, fifty-eight".