85940155 has 16 divisors (see below), whose sum is σ = 119795904. Its totient is φ = 57962880.

The previous prime is 85940147. The next prime is 85940177. The reversal of 85940155 is 55104958.

It is not a de Polignac number, because 85940155 - 2³ = 85940147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17992 + ... + 22261.

It is an arithmetic number, because the mean of its divisors is an integer number (7487244).

Almost surely, 2^85940155 is an apocalyptic number.

85940155 is a deficient number, since it is larger than the sum of its proper divisors (33855749).

85940155 is a wasteful number, since it uses less digits than its factorization.

85940155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40326.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 85940155 is about 9270.3913078144. The cubic root of 85940155 is about 441.2980863901.

It can be divided in two parts, 859 and 40155, that added together give a palindrome (41014).

The spelling of 85940155 in words is "eighty-five million, nine hundred forty thousand, one hundred fifty-five".