85418876620 has 144 divisors (see below), whose sum is σ = 227833724160. Its totient is φ = 26600918400.

The previous prime is 85418876611. The next prime is 85418876657. The reversal of 85418876620 is 2667881458.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15725305 + ... + 15730735.

It is an arithmetic number, because the mean of its divisors is an integer number (1582178640).

Almost surely, 2^85418876620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85418876620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113916862080).

85418876620 is an abundant number, since it is smaller than the sum of its proper divisors (142414847540).

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

85418876620 is a wasteful number, since it uses less digits than its factorization.

85418876620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6924 (or 6915 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 85418876620 in words is "eighty-five billion, four hundred eighteen million, eight hundred seventy-six thousand, six hundred twenty".