86573610078538 has 16 divisors (see below), whose sum is σ = 141897010045536. Its totient is φ = 39287445765840.

The previous prime is 86573610078493. The next prime is 86573610078539. The reversal of 86573610078538 is 83587001637568.

It is not an unprimeable number, because it can be changed into a prime (86573610078539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3209745156 + ... + 3209772127.

It is an arithmetic number, because the mean of its divisors is an integer number (8868563127846).

Almost surely, 2^{86573610078538} is an apocalyptic number.

86573610078538 is a deficient number, since it is larger than the sum of its proper divisors (55323399966998).

86573610078538 is a wasteful number, since it uses less digits than its factorization.

86573610078538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6419517909.

The product of its (nonzero) digits is 203212800, while the sum is 67.

The spelling of 86573610078538 in words is "eighty-six trillion, five hundred seventy-three billion, six hundred ten million, seventy-eight thousand, five hundred thirty-eight".