86250000809 has 4 divisors (see below), whose sum is σ = 98571429504. Its totient is φ = 73928572116.

The previous prime is 86250000791. The next prime is 86250000829. The reversal of 86250000809 is 90800005268.

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 not a de Polignac number, because 86250000809 - 2¹² = 86249996713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86250000829) 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, 6160714337 + ... + 6160714350.

It is an arithmetic number, because the mean of its divisors is an integer number (24642857376).

Almost surely, 2^86250000809 is an apocalyptic number.

It is an amenable number.

86250000809 is a deficient number, since it is larger than the sum of its proper divisors (12321428695).

86250000809 is a wasteful number, since it uses less digits than its factorization.

86250000809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12321428694.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 86250000809 in words is "eighty-six billion, two hundred fifty million, eight hundred nine", and thus it is an aban number.