86669225784 has 192 divisors, whose sum is σ = 260058988800. Its totient is φ = 25936339968.

The previous prime is 86669225779. The next prime is 86669225809. The reversal of 86669225784 is 48752296668.

It is a congruent number.

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, 10665547 + ... + 10673669.

It is an arithmetic number, because the mean of its divisors is an integer number (1354473900).

Almost surely, 2^86669225784 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 86669225784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130029494400).

86669225784 is an abundant number, since it is smaller than the sum of its proper divisors (173389763016).

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

86669225784 is a wasteful number, since it uses less digits than its factorization.

86669225784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8554 (or 8547 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 86669225784 in words is "eighty-six billion, six hundred sixty-nine million, two hundred twenty-five thousand, seven hundred eighty-four".