85365178554 has 16 divisors (see below), whose sum is σ = 172241246592. Its totient is φ = 28203244608.

The previous prime is 85365178553. The next prime is 85365178559. The reversal of 85365178554 is 45587156358.

It is a junction number, because it is equal to n+sod(n) for n = 85365178494 and 85365178503.

It is not an unprimeable number, because it can be changed into a prime (85365178553) 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, 62952994 + ... + 62954349.

It is an arithmetic number, because the mean of its divisors is an integer number (10765077912).

Almost surely, 2^85365178554 is an apocalyptic number.

85365178554 is an abundant number, since it is smaller than the sum of its proper divisors (86876068038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85365178554 is a wasteful number, since it uses less digits than its factorization.

85365178554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125907461.

The product of its digits is 20160000, while the sum is 57.

The spelling of 85365178554 in words is "eighty-five billion, three hundred sixty-five million, one hundred seventy-eight thousand, five hundred fifty-four".