7937975500 has 144 divisors (see below), whose sum is σ = 21719172384. Its totient is φ = 2512137600.

The previous prime is 7937975491. The next prime is 7937975527. The reversal of 7937975500 is 55797397.

It is a happy number.

It is a super-2 number, since 2×7937975500² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 306039 + ... + 330961.

It is an arithmetic number, because the mean of its divisors is an integer number (150827586).

Almost surely, 2^7937975500 is an apocalyptic number.

7937975500 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 7937975500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10859586192).

7937975500 is an abundant number, since it is smaller than the sum of its proper divisors (13781196884).

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

7937975500 is a wasteful number, since it uses less digits than its factorization.

7937975500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24969 (or 24950 counting only the distinct ones).

The product of its (nonzero) digits is 2083725, while the sum is 52.

The square root of 7937975500 is about 89095.3169364137. The cubic root of 7937975500 is about 1994.8178760593.

The spelling of 7937975500 in words is "seven billion, nine hundred thirty-seven million, nine hundred seventy-five thousand, five hundred".