7863472518 has 32 divisors (see below), whose sum is σ = 17480385792. Its totient is φ = 2337909600.

The previous prime is 7863472517. The next prime is 7863472531. The reversal of 7863472518 is 8152743687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7863472517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1120498 + ... + 1127493.

It is an arithmetic number, because the mean of its divisors is an integer number (546262056).

Almost surely, 2^7863472518 is an apocalyptic number.

7863472518 is an abundant number, since it is smaller than the sum of its proper divisors (9616913274).

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

7863472518 is a wasteful number, since it uses less digits than its factorization.

7863472518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248060.

The product of its digits is 2257920, while the sum is 51.

The square root of 7863472518 is about 88676.2229574535. Note that the first 3 decimals coincide. The cubic root of 7863472518 is about 1988.5573677695.

The spelling of 7863472518 in words is "seven billion, eight hundred sixty-three million, four hundred seventy-two thousand, five hundred eighteen".