7945602885 has 192 divisors, whose sum is σ = 16897061376. Its totient is φ = 3406233600.

The previous prime is 7945602881. The next prime is 7945602887. The reversal of 7945602885 is 5882065497.

7945602885 is a `hidden beast` number, since 79 + 4 + 560 + 2 + 8 + 8 + 5 = 666.

It is not a de Polignac number, because 7945602885 - 2² = 7945602881 is a prime.

It is a super-2 number, since 2×7945602885² (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 (7945602881) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11805909 + ... + 11806581.

It is an arithmetic number, because the mean of its divisors is an integer number (88005528).

Almost surely, 2^7945602885 is an apocalyptic number.

It is an amenable number.

7945602885 is an abundant number, since it is smaller than the sum of its proper divisors (8951458491).

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

7945602885 is a wasteful number, since it uses less digits than its factorization.

7945602885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The square root of 7945602885 is about 89138.1112936549. Note that the first 3 decimals coincide. The cubic root of 7945602885 is about 1995.4565936282.

The spelling of 7945602885 in words is "seven billion, nine hundred forty-five million, six hundred two thousand, eight hundred eighty-five".