86734870 has 16 divisors (see below), whose sum is σ = 159754320. Its totient is φ = 33886944.

The previous prime is 86734859. The next prime is 86734873. The reversal of 86734870 is 7843768.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86734873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100425 + ... + 101284.

It is an arithmetic number, because the mean of its divisors is an integer number (9984645).

Almost surely, 2^86734870 is an apocalyptic number.

86734870 is a deficient number, since it is larger than the sum of its proper divisors (73019450).

86734870 is a wasteful number, since it uses less digits than its factorization.

86734870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201759.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 86734870 is about 9313.1557487245. The cubic root of 86734870 is about 442.6541878115.

The spelling of 86734870 in words is "eighty-six million, seven hundred thirty-four thousand, eight hundred seventy".