8620420893 has 12 divisors (see below), whose sum is σ = 13370448960. Its totient is φ = 4925954712.

The previous prime is 8620420871. The next prime is 8620420927. The reversal of 8620420893 is 3980240268.

It is not a de Polignac number, because 8620420893 - 2⁸ = 8620420637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8620420093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29321013 + ... + 29321306.

It is an arithmetic number, because the mean of its divisors is an integer number (1114204080).

Almost surely, 2^8620420893 is an apocalyptic number.

It is an amenable number.

8620420893 is a deficient number, since it is larger than the sum of its proper divisors (4750028067).

8620420893 is a wasteful number, since it uses less digits than its factorization.

8620420893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58642336 (or 58642329 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 8620420893 is about 92846.2217486528. The cubic root of 8620420893 is about 2050.4199728896.

The spelling of 8620420893 in words is "eight billion, six hundred twenty million, four hundred twenty thousand, eight hundred ninety-three".