8420883789 has 8 divisors (see below), whose sum is σ = 11228741920. Its totient is φ = 5613474096.

The previous prime is 8420883749. The next prime is 8420883797. The reversal of 8420883789 is 9873880248.

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

It is not a de Polignac number, because 8420883789 - 2⁷ = 8420883661 is a prime.

It is a super-2 number, since 2×8420883789² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8420883749) 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, 65527 + ... + 145380.

It is an arithmetic number, because the mean of its divisors is an integer number (1403592740).

Almost surely, 2^8420883789 is an apocalyptic number.

It is an amenable number.

8420883789 is a deficient number, since it is larger than the sum of its proper divisors (2807858131).

8420883789 is a wasteful number, since it uses less digits than its factorization.

8420883789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224219.

The product of its (nonzero) digits is 6193152, while the sum is 57.

The square root of 8420883789 is about 91765.3735839396. The cubic root of 8420883789 is about 2034.4759390814.

The spelling of 8420883789 in words is "eight billion, four hundred twenty million, eight hundred eighty-three thousand, seven hundred eighty-nine".