85455377171 has 8 divisors (see below), whose sum is σ = 87091658784. Its totient is φ = 83819981440.

The previous prime is 85455377167. The next prime is 85455377173. The reversal of 85455377171 is 17177355458.

It is a happy number.

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 85455377171 - 2² = 85455377167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85455377173) 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, 25046 + ... + 414171.

It is an arithmetic number, because the mean of its divisors is an integer number (10886457348).

Almost surely, 2^85455377171 is an apocalyptic number.

85455377171 is a deficient number, since it is larger than the sum of its proper divisors (1636281613).

85455377171 is a wasteful number, since it uses less digits than its factorization.

85455377171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442941.

The product of its digits is 4116000, while the sum is 53.

The spelling of 85455377171 in words is "eighty-five billion, four hundred fifty-five million, three hundred seventy-seven thousand, one hundred seventy-one".