85913747155 has 4 divisors (see below), whose sum is σ = 103096496592. Its totient is φ = 68730997720.

The previous prime is 85913747131. The next prime is 85913747189. The reversal of 85913747155 is 55174731958.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85913747155 - 2³³ = 77323812563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85913747096 and 85913747105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8591374711 + ... + 8591374720.

It is an arithmetic number, because the mean of its divisors is an integer number (25774124148).

Almost surely, 2^85913747155 is an apocalyptic number.

85913747155 is a deficient number, since it is larger than the sum of its proper divisors (17182749437).

85913747155 is a wasteful number, since it uses less digits than its factorization.

85913747155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17182749436.

The product of its digits is 5292000, while the sum is 55.

The spelling of 85913747155 in words is "eighty-five billion, nine hundred thirteen million, seven hundred forty-seven thousand, one hundred fifty-five".