7871198453 has 8 divisors (see below), whose sum is σ = 7945237440. Its totient is φ = 7797408480.

The previous prime is 7871198449. The next prime is 7871198459. The reversal of 7871198453 is 3548911787.

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 7871198453 - 2² = 7871198449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7871198395 and 7871198404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7871198459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1568 + ... + 125478.

It is an arithmetic number, because the mean of its divisors is an integer number (993154680).

Almost surely, 2^7871198453 is an apocalyptic number.

It is an amenable number.

7871198453 is a deficient number, since it is larger than the sum of its proper divisors (74038987).

7871198453 is a wasteful number, since it uses less digits than its factorization.

7871198453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124507.

The product of its digits is 1693440, while the sum is 53.

The square root of 7871198453 is about 88719.7748700931. The cubic root of 7871198453 is about 1989.2084133092.

The spelling of 7871198453 in words is "seven billion, eight hundred seventy-one million, one hundred ninety-eight thousand, four hundred fifty-three".