7864087106220 has 192 divisors, whose sum is σ = 23727813580800. Its totient is φ = 1939821972480.

The previous prime is 7864087106203. The next prime is 7864087106233. The reversal of 7864087106220 is 226017804687.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22382866 + ... + 22731494.

It is an arithmetic number, because the mean of its divisors is an integer number (123582362400).

Almost surely, 2^{7864087106220} 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 7864087106220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11863906790400).

7864087106220 is an abundant number, since it is smaller than the sum of its proper divisors (15863726474580).

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

7864087106220 is a wasteful number, since it uses less digits than its factorization.

7864087106220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349128 (or 349126 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 7864087106220 in words is "seven trillion, eight hundred sixty-four billion, eighty-seven million, one hundred six thousand, two hundred twenty".