86734512 has 120 divisors (see below), whose sum is σ = 253844864. Its totient is φ = 27620352.

The previous prime is 86734511. The next prime is 86734513. The reversal of 86734512 is 21543768.

It is an interprime number because it is at equal distance from previous prime (86734511) and next prime (86734513).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (86734511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 388833 + ... + 389055.

Almost surely, 2^86734512 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 86734512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126922432).

86734512 is an abundant number, since it is smaller than the sum of its proper divisors (167110352).

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

86734512 is a wasteful number, since it uses less digits than its factorization.

86734512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 338 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 86734512 is about 9313.1365285815. The cubic root of 86734512 is about 442.6535787892.

The spelling of 86734512 in words is "eighty-six million, seven hundred thirty-four thousand, five hundred twelve".