86700672 has 64 divisors (see below), whose sum is σ = 255897600. Its totient is φ = 28899072.

The previous prime is 86700659. The next prime is 86700673. The reversal of 86700672 is 27600768.

It is a tau number, because it is divible by the number of its divisors (64).

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 (86700673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9088 + ... + 15999.

It is an arithmetic number, because the mean of its divisors is an integer number (3998400).

Almost surely, 2^86700672 is an apocalyptic number.

It is an amenable number.

86700672 is an abundant number, since it is smaller than the sum of its proper divisors (169196928).

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

86700672 is a wasteful number, since it uses less digits than its factorization.

86700672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25110 (or 25092 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 86700672 is about 9311.3195627687. The cubic root of 86700672 is about 442.5960033009.

The spelling of 86700672 in words is "eighty-six million, seven hundred thousand, six hundred seventy-two".