920688853 has 4 divisors (see below), whose sum is σ = 1052215840. Its totient is φ = 789161868.

The previous prime is 920688851. The next prime is 920688859. The reversal of 920688853 is 358886029.

920688853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 920688853 - 2¹ = 920688851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 920688797 and 920688806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920688851) 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, 65763483 + ... + 65763496.

It is an arithmetic number, because the mean of its divisors is an integer number (263053960).

Almost surely, 2^920688853 is an apocalyptic number.

It is an amenable number.

920688853 is a deficient number, since it is larger than the sum of its proper divisors (131526987).

920688853 is a wasteful number, since it uses less digits than its factorization.

920688853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131526986.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 920688853 is about 30342.8550568334. The cubic root of 920688853 is about 972.8315086775.

The spelling of 920688853 in words is "nine hundred twenty million, six hundred eighty-eight thousand, eight hundred fifty-three".