7795538520 has 256 divisors, whose sum is σ = 29444014080. Its totient is φ = 1603929600.

The previous prime is 7795538503. The next prime is 7795538561. The reversal of 7795538520 is 258355977.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 947625 + ... + 955815.

It is an arithmetic number, because the mean of its divisors is an integer number (115015680).

Almost surely, 2^7795538520 is an apocalyptic number.

7795538520 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7795538520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14722007040).

7795538520 is an abundant number, since it is smaller than the sum of its proper divisors (21648475560).

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

7795538520 is a wasteful number, since it uses less digits than its factorization.

7795538520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8326 (or 8322 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 51.

The square root of 7795538520 is about 88292.3468937144. The cubic root of 7795538520 is about 1982.8142920354.

The spelling of 7795538520 in words is "seven billion, seven hundred ninety-five million, five hundred thirty-eight thousand, five hundred twenty".