86604047 has 4 divisors (see below), whose sum is σ = 86622696. Its totient is φ = 86585400.

The previous prime is 86604041. The next prime is 86604101. The reversal of 86604047 is 74040668.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 86604047 - 2¹⁶ = 86538511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86603998 and 86604016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86604041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3797 + ... + 13697.

It is an arithmetic number, because the mean of its divisors is an integer number (21655674).

Almost surely, 2^86604047 is an apocalyptic number.

86604047 is a deficient number, since it is larger than the sum of its proper divisors (18649).

86604047 is an equidigital number, since it uses as much as digits as its factorization.

86604047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18648.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 86604047 is about 9306.1295391801. The cubic root of 86604047 is about 442.4315227008.

The spelling of 86604047 in words is "eighty-six million, six hundred four thousand, forty-seven".