8420795616678 has 8 divisors (see below), whose sum is σ = 16841591233368. Its totient is φ = 2806931872224.

The previous prime is 8420795616619. The next prime is 8420795616691. The reversal of 8420795616678 is 8766165970248.

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

8420795616678 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701732968051 + ... + 701732968062.

It is an arithmetic number, because the mean of its divisors is an integer number (2105198904171).

Almost surely, 2^{8420795616678} is an apocalyptic number.

8420795616678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8420795616678 is a wasteful number, since it uses less digits than its factorization.

8420795616678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403465936118.

The product of its (nonzero) digits is 243855360, while the sum is 69.

The spelling of 8420795616678 in words is "eight trillion, four hundred twenty billion, seven hundred ninety-five million, six hundred sixteen thousand, six hundred seventy-eight".