7983553897 has 8 divisors (see below), whose sum is σ = 9087998400. Its totient is φ = 6942220560.

The previous prime is 7983553873. The next prime is 7983553901.

7983553897 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 7983553897 - 2⁷ = 7983553769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7983553807) 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, 15777522 + ... + 15778027.

It is an arithmetic number, because the mean of its divisors is an integer number (1135999800).

Almost surely, 2^7983553897 is an apocalyptic number.

It is an amenable number.

7983553897 is a deficient number, since it is larger than the sum of its proper divisors (1104444503).

7983553897 is a wasteful number, since it uses less digits than its factorization.

7983553897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31555583.

The product of its digits is 57153600, while the sum is 64.

The square root of 7983553897 is about 89350.7352907630. The cubic root of 7983553897 is about 1998.6285511957.

The spelling of 7983553897 in words is "seven billion, nine hundred eighty-three million, five hundred fifty-three thousand, eight hundred ninety-seven".