86428654830 has 320 divisors, whose sum is σ = 287144732160. Its totient is φ = 18208717056.

The previous prime is 86428654799. The next prime is 86428654901. The reversal of 86428654830 is 3845682468.

86428654830 is a `hidden beast` number, since 8 + 64 + 2 + 8 + 6 + 548 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3975169 + ... + 3996851.

It is an arithmetic number, because the mean of its divisors is an integer number (897327288).

Almost surely, 2^86428654830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86428654830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143572366080).

86428654830 is an abundant number, since it is smaller than the sum of its proper divisors (200716077330).

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

86428654830 is a wasteful number, since it uses less digits than its factorization.

86428654830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21765 (or 21756 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 54.

The spelling of 86428654830 in words is "eighty-six billion, four hundred twenty-eight million, six hundred fifty-four thousand, eight hundred thirty".