7811248104 has 48 divisors (see below), whose sum is σ = 23078689920. Its totient is φ = 2367044640.

The previous prime is 7811248103. The next prime is 7811248121. The reversal of 7811248104 is 4018421187.

It is a super-2 number, since 2×7811248104² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7811248103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4930552 + ... + 4932135.

It is an arithmetic number, because the mean of its divisors is an integer number (480806040).

Almost surely, 2^7811248104 is an apocalyptic number.

It is an amenable number.

7811248104 is an abundant number, since it is smaller than the sum of its proper divisors (15267441816).

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

7811248104 is a wasteful number, since it uses less digits than its factorization.

7811248104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9862710 (or 9862703 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 7811248104 is about 88381.2655713868. The cubic root of 7811248104 is about 1984.1453220437.

The spelling of 7811248104 in words is "seven billion, eight hundred eleven million, two hundred forty-eight thousand, one hundred four".