86467789 has 4 divisors (see below), whose sum is σ = 86487520. Its totient is φ = 86448060.

The previous prime is 86467781. The next prime is 86467807. The reversal of 86467789 is 98776468.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86467789 - 2³ = 86467781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86467781) 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, 9 + ... + 13150.

It is an arithmetic number, because the mean of its divisors is an integer number (21621880).

Almost surely, 2^86467789 is an apocalyptic number.

It is an amenable number.

86467789 is a deficient number, since it is larger than the sum of its proper divisors (19731).

86467789 is a wasteful number, since it uses less digits than its factorization.

86467789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19730.

The product of its digits is 4064256, while the sum is 55.

The square root of 86467789 is about 9298.8057835402. The cubic root of 86467789 is about 442.1993685061.

The spelling of 86467789 in words is "eighty-six million, four hundred sixty-seven thousand, seven hundred eighty-nine".