7999385154 has 16 divisors (see below), whose sum is σ = 15999664320. Its totient is φ = 2666312720.

The previous prime is 7999385083. The next prime is 7999385213. The reversal of 7999385154 is 4515839997.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156964 + ... + 201584.

It is an arithmetic number, because the mean of its divisors is an integer number (999979020).

Almost surely, 2^7999385154 is an apocalyptic number.

7999385154 is an abundant number, since it is smaller than the sum of its proper divisors (8000279166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7999385154 is a wasteful number, since it uses less digits than its factorization.

7999385154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74505.

The product of its digits is 12247200, while the sum is 60.

The square root of 7999385154 is about 89439.2819403197. The cubic root of 7999385154 is about 1999.9487615207.

The spelling of 7999385154 in words is "seven billion, nine hundred ninety-nine million, three hundred eighty-five thousand, one hundred fifty-four".