7850538624 has 32 divisors (see below), whose sum is σ = 20852994240. Its totient is φ = 2616846080.

The previous prime is 7850538623. The next prime is 7850538721. The reversal of 7850538624 is 4268350587.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (7850538623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10221672 + ... + 10222439.

It is an arithmetic number, because the mean of its divisors is an integer number (651656070).

Almost surely, 2^7850538624 is an apocalyptic number.

It is an amenable number.

7850538624 is an abundant number, since it is smaller than the sum of its proper divisors (13002455616).

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

7850538624 is a wasteful number, since it uses less digits than its factorization.

7850538624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20444128 (or 20444116 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The square root of 7850538624 is about 88603.2653122897. The cubic root of 7850538624 is about 1987.4665051592.

The spelling of 7850538624 in words is "seven billion, eight hundred fifty million, five hundred thirty-eight thousand, six hundred twenty-four".