7982194464 has 96 divisors (see below), whose sum is σ = 24032494080. Its totient is φ = 2574892800.

The previous prime is 7982194463. The next prime is 7982194483. The reversal of 7982194464 is 4644912897.

7982194464 is a `hidden beast` number, since 7 + 98 + 2 + 1 + 94 + 464 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×7982194464² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 7982194464.

It is not an unprimeable number, because it can be changed into a prime (7982194463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122227 + ... + 175794.

It is an arithmetic number, because the mean of its divisors is an integer number (250338480).

Almost surely, 2^7982194464 is an apocalyptic number.

It is an amenable number.

7982194464 is an abundant number, since it is smaller than the sum of its proper divisors (16050299616).

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

7982194464 is a wasteful number, since it uses less digits than its factorization.

7982194464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298071 (or 298057 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 7982194464 is about 89343.1276819879. The cubic root of 7982194464 is about 1998.5151031468.

The spelling of 7982194464 in words is "seven billion, nine hundred eighty-two million, one hundred ninety-four thousand, four hundred sixty-four".