7187827983 has 12 divisors (see below), whose sum is σ = 11148468120. Its totient is φ = 4107330192.

The previous prime is 7187827949. The next prime is 7187827991. The reversal of 7187827983 is 3897287817.

It is not a de Polignac number, because 7187827983 - 2¹³ = 7187819791 is a prime.

It is a super-2 number, since 2×7187827983² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7187827483) 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, 24448248 + ... + 24448541.

It is an arithmetic number, because the mean of its divisors is an integer number (929039010).

Almost surely, 2^7187827983 is an apocalyptic number.

7187827983 is a deficient number, since it is larger than the sum of its proper divisors (3960640137).

7187827983 is a wasteful number, since it uses less digits than its factorization.

7187827983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48896806 (or 48896799 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 60.

The square root of 7187827983 is about 84781.0591052034. The cubic root of 7187827983 is about 1929.8900116296.

The spelling of 7187827983 in words is "seven billion, one hundred eighty-seven million, eight hundred twenty-seven thousand, nine hundred eighty-three".