7828487500 has 72 divisors (see below), whose sum is σ = 17191993392. Its totient is φ = 3118920000.

The previous prime is 7828487497. The next prime is 7828487509. The reversal of 7828487500 is 57848287.

It is a super-2 number, since 2×7828487500² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7828487509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3536394 + ... + 3538606.

It is an arithmetic number, because the mean of its divisors is an integer number (238777686).

Almost surely, 2^7828487500 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 7828487500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8595996696).

7828487500 is an abundant number, since it is smaller than the sum of its proper divisors (9363505892).

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

7828487500 is a wasteful number, since it uses less digits than its factorization.

7828487500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525 (or 2503 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 49.

The square root of 7828487500 is about 88478.7403843432. The cubic root of 7828487500 is about 1985.6039166883.

The spelling of 7828487500 in words is "seven billion, eight hundred twenty-eight million, four hundred eighty-seven thousand, five hundred".