855077 has 4 divisors (see below), whose sum is σ = 857376. Its totient is φ = 852780.

The previous prime is 855067. The next prime is 855079. The reversal of 855077 is 770558.

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, and also an emirpimes, since its reverse is a distinct semiprime: 770558 = 2 ⋅385279.

It is a cyclic number.

It is not a de Polignac number, because 855077 - 2⁴ = 855061 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855079) 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, 449 + ... + 1382.

It is an arithmetic number, because the mean of its divisors is an integer number (214344).

2⁸⁵⁵⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

855077 is a deficient number, since it is larger than the sum of its proper divisors (2299).

855077 is a wasteful number, since it uses less digits than its factorization.

855077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 855077 is about 924.7037363394. The cubic root of 855077 is about 94.9150487109.

The spelling of 855077 in words is "eight hundred fifty-five thousand, seventy-seven".