854977 has 4 divisors (see below), whose sum is σ = 873216. Its totient is φ = 836740.

The previous prime is 854963. The next prime is 854993. The reversal of 854977 is 779458.

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 854977 - 2⁷ = 854849 is a prime.

It is a Duffinian number.

854977 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (854927) 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, 9049 + ... + 9142.

It is an arithmetic number, because the mean of its divisors is an integer number (218304).

2⁸⁵⁴⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

854977 is a deficient number, since it is larger than the sum of its proper divisors (18239).

854977 is a wasteful number, since it uses less digits than its factorization.

854977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18238.

The product of its digits is 70560, while the sum is 40.

The square root of 854977 is about 924.6496633861. The cubic root of 854977 is about 94.9113485081.

The spelling of 854977 in words is "eight hundred fifty-four thousand, nine hundred seventy-seven".