85130277 has 4 divisors (see below), whose sum is σ = 113507040. Its totient is φ = 56753516.

The previous prime is 85130257. The next prime is 85130281. The reversal of 85130277 is 77203158.

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 not a de Polignac number, because 85130277 - 2⁸ = 85130021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85130257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14188377 + ... + 14188382.

It is an arithmetic number, because the mean of its divisors is an integer number (28376760).

Almost surely, 2^85130277 is an apocalyptic number.

It is an amenable number.

85130277 is a deficient number, since it is larger than the sum of its proper divisors (28376763).

85130277 is a wasteful number, since it uses less digits than its factorization.

85130277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28376762.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 85130277 is about 9226.6070144989. The cubic root of 85130277 is about 439.9074822696.

The spelling of 85130277 in words is "eighty-five million, one hundred thirty thousand, two hundred seventy-seven".