86140102778 has 32 divisors (see below), whose sum is σ = 132018163200. Its totient is φ = 42141348144.

The previous prime is 86140102753. The next prime is 86140102787. The reversal of 86140102778 is 87720104168.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 35029313 + ... + 35031771.

It is an arithmetic number, because the mean of its divisors is an integer number (4125567600).

Almost surely, 2^86140102778 is an apocalyptic number.

86140102778 is a deficient number, since it is larger than the sum of its proper divisors (45878060422).

86140102778 is a wasteful number, since it uses less digits than its factorization.

86140102778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3794.

The product of its (nonzero) digits is 150528, while the sum is 44.

The spelling of 86140102778 in words is "eighty-six billion, one hundred forty million, one hundred two thousand, seven hundred seventy-eight".