86911398899 has 16 divisors (see below), whose sum is σ = 96481392000. Its totient is φ = 77769486720.

The previous prime is 86911398877. The next prime is 86911398911. The reversal of 86911398899 is 99889311968.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 86911398899 - 2⁸ = 86911398643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86911398809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203024 + ... + 463725.

It is an arithmetic number, because the mean of its divisors is an integer number (6030087000).

Almost surely, 2^86911398899 is an apocalyptic number.

86911398899 is a deficient number, since it is larger than the sum of its proper divisors (9569993101).

86911398899 is a wasteful number, since it uses less digits than its factorization.

86911398899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667070.

The product of its digits is 60466176, while the sum is 71.

The spelling of 86911398899 in words is "eighty-six billion, nine hundred eleven million, three hundred ninety-eight thousand, eight hundred ninety-nine".