854605006620 has 48 divisors (see below), whose sum is σ = 2393204438688. Its totient is φ = 227865104640.

The previous prime is 854605006589. The next prime is 854605006747. The reversal of 854605006620 is 26600506458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455539 + ... + 1384458.

It is an arithmetic number, because the mean of its divisors is an integer number (49858425806).

Almost surely, 2^854605006620 is an apocalyptic number.

It is an amenable number.

854605006620 is an abundant number, since it is smaller than the sum of its proper divisors (1538599432068).

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

854605006620 is a wasteful number, since it uses less digits than its factorization.

854605006620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847750 (or 1847748 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 854605006620 in words is "eight hundred fifty-four billion, six hundred five million, six thousand, six hundred twenty".