8332680621 has 4 divisors (see below), whose sum is σ = 11110240832. Its totient is φ = 5555120412.

The previous prime is 8332680613. The next prime is 8332680661. The reversal of 8332680621 is 1260862338.

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 8332680621 - 2³ = 8332680613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8332680621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8332680661) 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 3 ways as a sum of consecutive naturals, for example, 1388780101 + ... + 1388780106.

It is an arithmetic number, because the mean of its divisors is an integer number (2777560208).

Almost surely, 2^8332680621 is an apocalyptic number.

It is an amenable number.

8332680621 is a deficient number, since it is larger than the sum of its proper divisors (2777560211).

8332680621 is a wasteful number, since it uses less digits than its factorization.

8332680621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777560210.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 8332680621 is about 91283.5177948352. The cubic root of 8332680621 is about 2027.3477314323.

The spelling of 8332680621 in words is "eight billion, three hundred thirty-two million, six hundred eighty thousand, six hundred twenty-one".