86864347 has 4 divisors (see below), whose sum is σ = 86922616. Its totient is φ = 86806080.

The previous prime is 86864321. The next prime is 86864357. The reversal of 86864347 is 74346868.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86864347 - 2¹⁵ = 86831579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86864297 and 86864306.

It is not an unprimeable number, because it can be changed into a prime (86864357) 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, 26838 + ... + 29899.

It is an arithmetic number, because the mean of its divisors is an integer number (21730654).

Almost surely, 2^86864347 is an apocalyptic number.

86864347 is a deficient number, since it is larger than the sum of its proper divisors (58269).

86864347 is a wasteful number, since it uses less digits than its factorization.

86864347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58268.

The product of its digits is 774144, while the sum is 46.

The square root of 86864347 is about 9320.1044522044. The cubic root of 86864347 is about 442.8743416392.

The spelling of 86864347 in words is "eighty-six million, eight hundred sixty-four thousand, three hundred forty-seven".