7862648172 has 96 divisors (see below), whose sum is σ = 21107681280. Its totient is φ = 2261468160.

The previous prime is 7862648161. The next prime is 7862648173. The reversal of 7862648172 is 2718462687.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (7862648173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87438 + ... + 152874.

It is an arithmetic number, because the mean of its divisors is an integer number (219871680).

Almost surely, 2^7862648172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7862648172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10553840640).

7862648172 is an abundant number, since it is smaller than the sum of its proper divisors (13245033108).

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

7862648172 is a wasteful number, since it uses less digits than its factorization.

7862648172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65511 (or 65509 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The square root of 7862648172 is about 88671.5747689190. The cubic root of 7862648172 is about 1988.4878769860.

The spelling of 7862648172 in words is "seven billion, eight hundred sixty-two million, six hundred forty-eight thousand, one hundred seventy-two".