920077 has 4 divisors (see below), whose sum is σ = 922140. Its totient is φ = 918016.

The previous prime is 920053. The next prime is 920107. The reversal of 920077 is 770029.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 770029 = 13 ⋅59233.

It can be written as a sum of positive squares in 2 ways, for example, as 84681 + 835396 = 291^2 + 914^2 .

It is a cyclic number.

It is not a de Polignac number, because 920077 - 2⁷ = 919949 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920077.

It is not an unprimeable number, because it can be changed into a prime (920377) 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, 52 + ... + 1357.

It is an arithmetic number, because the mean of its divisors is an integer number (230535).

2⁹²⁰⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

920077 is a deficient number, since it is larger than the sum of its proper divisors (2063).

920077 is a wasteful number, since it uses less digits than its factorization.

920077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 920077 is about 959.2064428474. The cubic root of 920077 is about 97.2615959281.

The spelling of 920077 in words is "nine hundred twenty thousand, seventy-seven".