85126777 has 4 divisors (see below), whose sum is σ = 85217616. Its totient is φ = 85035940.

The previous prime is 85126759. The next prime is 85126787. The reversal of 85126777 is 77762158.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85126777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85126757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43999 + ... + 45892.

It is an arithmetic number, because the mean of its divisors is an integer number (21304404).

Almost surely, 2^85126777 is an apocalyptic number.

It is an amenable number.

85126777 is a deficient number, since it is larger than the sum of its proper divisors (90839).

85126777 is an equidigital number, since it uses as much as digits as its factorization.

85126777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90838.

The product of its digits is 164640, while the sum is 43.

The square root of 85126777 is about 9226.4173436931. The cubic root of 85126777 is about 439.9014534812.

The spelling of 85126777 in words is "eighty-five million, one hundred twenty-six thousand, seven hundred seventy-seven".