8420916763793 has 8 divisors (see below), whose sum is σ = 8945308022112. Its totient is φ = 7899752529216.

The previous prime is 8420916763789. The next prime is 8420916763813. The reversal of 8420916763793 is 3973676190248.

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

It is not a de Polignac number, because 8420916763793 - 2² = 8420916763789 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8420916763733) 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, 806750555 + ... + 806760992.

It is an arithmetic number, because the mean of its divisors is an integer number (1118163502764).

Almost surely, 2^{8420916763793} is an apocalyptic number.

It is an amenable number.

8420916763793 is a deficient number, since it is larger than the sum of its proper divisors (524391258319).

8420916763793 is a wasteful number, since it uses less digits than its factorization.

8420916763793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613511871.

The product of its (nonzero) digits is 82301184, while the sum is 65.

The spelling of 8420916763793 in words is "eight trillion, four hundred twenty billion, nine hundred sixteen million, seven hundred sixty-three thousand, seven hundred ninety-three".