86788921107 has 32 divisors (see below), whose sum is σ = 139239198720. Its totient is φ = 46973723040.

The previous prime is 86788921061. The next prime is 86788921133. The reversal of 86788921107 is 70112988768.

It is not a de Polignac number, because 86788921107 - 2⁷ = 86788920979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (86788921157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2167882 + ... + 2207552.

It is an arithmetic number, because the mean of its divisors is an integer number (4351224960).

Almost surely, 2^86788921107 is an apocalyptic number.

86788921107 is a deficient number, since it is larger than the sum of its proper divisors (52450277613).

86788921107 is a wasteful number, since it uses less digits than its factorization.

86788921107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45183.

The product of its (nonzero) digits is 2709504, while the sum is 57.

The spelling of 86788921107 in words is "eighty-six billion, seven hundred eighty-eight million, nine hundred twenty-one thousand, one hundred seven".