7954312982 has 48 divisors (see below), whose sum is σ = 15179095440. Its totient is φ = 3091334400.

The previous prime is 7954312957. The next prime is 7954312987. The reversal of 7954312982 is 2892134597.

It is a super-2 number, since 2×7954312982² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7954312982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7954312987) 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, 431882 + ... + 449922.

It is an arithmetic number, because the mean of its divisors is an integer number (316231155).

Almost surely, 2^7954312982 is an apocalyptic number.

7954312982 is a deficient number, since it is larger than the sum of its proper divisors (7224782458).

7954312982 is a wasteful number, since it uses less digits than its factorization.

7954312982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18477 (or 18470 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 7954312982 is about 89186.9552232836. The cubic root of 7954312982 is about 1996.1854778356.

The spelling of 7954312982 in words is "seven billion, nine hundred fifty-four million, three hundred twelve thousand, nine hundred eighty-two".