7983699487 has 8 divisors (see below), whose sum is σ = 8334866304. Its totient is φ = 7632870168.

The previous prime is 7983699481. The next prime is 7983699491. The reversal of 7983699487 is 7849963897.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7983699487 - 2¹¹ = 7983697439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7983699481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35413 + ... + 131230.

It is an arithmetic number, because the mean of its divisors is an integer number (1041858288).

Almost surely, 2^7983699487 is an apocalyptic number.

7983699487 is a deficient number, since it is larger than the sum of its proper divisors (351166817).

7983699487 is a wasteful number, since it uses less digits than its factorization.

7983699487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168749.

The product of its digits is 164602368, while the sum is 70.

The square root of 7983699487 is about 89351.5499977477. The cubic root of 7983699487 is about 1998.6407002781.

The spelling of 7983699487 in words is "seven billion, nine hundred eighty-three million, six hundred ninety-nine thousand, four hundred eighty-seven".