85077271 has 8 divisors (see below), whose sum is σ = 88124400. Its totient is φ = 82037760.

The previous prime is 85077247. The next prime is 85077277. The reversal of 85077271 is 17277058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85077271 - 2⁷ = 85077143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85077271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85077277) 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, 30295 + ... + 32983.

It is an arithmetic number, because the mean of its divisors is an integer number (11015550).

Almost surely, 2^85077271 is an apocalyptic number.

85077271 is a deficient number, since it is larger than the sum of its proper divisors (3047129).

85077271 is a wasteful number, since it uses less digits than its factorization.

85077271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3809.

The product of its (nonzero) digits is 27440, while the sum is 37.

The square root of 85077271 is about 9223.7341136874. The cubic root of 85077271 is about 439.8161611476.

The spelling of 85077271 in words is "eighty-five million, seventy-seven thousand, two hundred seventy-one".