86671520910 has 128 divisors (see below), whose sum is σ = 249201912960. Its totient is φ = 21308894208.

The previous prime is 86671520899. The next prime is 86671520917. The reversal of 86671520910 is 1902517668.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86671520917) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2993664 + ... + 3022476.

It is an arithmetic number, because the mean of its divisors is an integer number (1946889945).

Almost surely, 2^86671520910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86671520910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124600956480).

86671520910 is an abundant number, since it is smaller than the sum of its proper divisors (162530392050).

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

86671520910 is a wasteful number, since it uses less digits than its factorization.

86671520910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29699 (or 29693 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 86671520910 in words is "eighty-six billion, six hundred seventy-one million, five hundred twenty thousand, nine hundred ten".