8351628897 has 4 divisors (see below), whose sum is σ = 11135505200. Its totient is φ = 5567752596.

The previous prime is 8351628893. The next prime is 8351628907. The reversal of 8351628897 is 7988261538.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8351628897 - 2² = 8351628893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8351628893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391938147 + ... + 1391938152.

It is an arithmetic number, because the mean of its divisors is an integer number (2783876300).

Almost surely, 2^8351628897 is an apocalyptic number.

It is an amenable number.

8351628897 is a deficient number, since it is larger than the sum of its proper divisors (2783876303).

8351628897 is a wasteful number, since it uses less digits than its factorization.

8351628897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783876302.

The product of its digits is 5806080, while the sum is 57.

The square root of 8351628897 is about 91387.2469056815. The cubic root of 8351628897 is about 2028.8832782282.

The spelling of 8351628897 in words is "eight billion, three hundred fifty-one million, six hundred twenty-eight thousand, eight hundred ninety-seven".