86810645 has 8 divisors (see below), whose sum is σ = 106389504. Its totient is φ = 67970704.

The previous prime is 86810641. The next prime is 86810657. The reversal of 86810645 is 54601868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86810645 - 2² = 86810641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86810599 and 86810608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86810641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184469 + ... + 184938.

It is an arithmetic number, because the mean of its divisors is an integer number (13298688).

Almost surely, 2^86810645 is an apocalyptic number.

It is an amenable number.

86810645 is a deficient number, since it is larger than the sum of its proper divisors (19578859).

86810645 is a wasteful number, since it uses less digits than its factorization.

86810645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369459.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 86810645 is about 9317.2230304957. The cubic root of 86810645 is about 442.7830570038.

The spelling of 86810645 in words is "eighty-six million, eight hundred ten thousand, six hundred forty-five".