7984738998 has 32 divisors (see below), whose sum is σ = 17746785120. Its totient is φ = 2661141600.

The previous prime is 7984738997. The next prime is 7984739033. The reversal of 7984738998 is 8998374897.

7984738998 is a `hidden beast` number, since 79 + 8 + 473 + 89 + 9 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7984738997) 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, 625536 + ... + 638172.

It is an arithmetic number, because the mean of its divisors is an integer number (554587035).

Almost surely, 2^7984738998 is an apocalyptic number.

7984738998 is an abundant number, since it is smaller than the sum of its proper divisors (9762046122).

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

7984738998 is a wasteful number, since it uses less digits than its factorization.

7984738998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24349 (or 24343 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 72.

The square root of 7984738998 is about 89357.3667808088. The cubic root of 7984738998 is about 1998.7274403010.

The spelling of 7984738998 in words is "seven billion, nine hundred eighty-four million, seven hundred thirty-eight thousand, nine hundred ninety-eight".