86653172430 has 96 divisors (see below), whose sum is σ = 246178707840. Its totient is φ = 20972744640.

The previous prime is 86653172423. The next prime is 86653172443. The reversal of 86653172430 is 3427135668.

86653172430 is a `hidden beast` number, since 8 + 6 + 6 + 531 + 72 + 43 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 542109 + ... + 683511.

It is an arithmetic number, because the mean of its divisors is an integer number (2564361540).

Almost surely, 2^86653172430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86653172430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123089353920).

86653172430 is an abundant number, since it is smaller than the sum of its proper divisors (159525535410).

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

86653172430 is a wasteful number, since it uses less digits than its factorization.

86653172430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142046 (or 142043 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

It can be divided in two parts, 866531 and 72430, that added together give a square (938961 = 969²).

The spelling of 86653172430 in words is "eighty-six billion, six hundred fifty-three million, one hundred seventy-two thousand, four hundred thirty".