7990192154 has 48 divisors (see below), whose sum is σ = 14478912000. Its totient is φ = 3293851680.

The previous prime is 7990192129. The next prime is 7990192159. The reversal of 7990192154 is 4512910997.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7990192099 and 7990192108.

It is not an unprimeable number, because it can be changed into a prime (7990192159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499472 + ... + 515220.

It is an arithmetic number, because the mean of its divisors is an integer number (301644000).

Almost surely, 2^7990192154 is an apocalyptic number.

7990192154 is a deficient number, since it is larger than the sum of its proper divisors (6488719846).

7990192154 is a wasteful number, since it uses less digits than its factorization.

7990192154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15963 (or 15956 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 47.

The square root of 7990192154 is about 89387.8747593878. The cubic root of 7990192154 is about 1999.1823452659.

The spelling of 7990192154 in words is "seven billion, nine hundred ninety million, one hundred ninety-two thousand, one hundred fifty-four".