920888285688 has 128 divisors (see below), whose sum is σ = 3024263808000. Its totient is φ = 254038135680.

The previous prime is 920888285677. The next prime is 920888285689. The reversal of 920888285688 is 886582888029.

920888285688 is a `hidden beast` number, since 9 + 208 + 88 + 285 + 68 + 8 = 666.

920888285688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920888285689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10457068 + ... + 10544763.

It is an arithmetic number, because the mean of its divisors is an integer number (23627061000).

Almost surely, 2^920888285688 is an apocalyptic number.

It is an amenable number.

920888285688 is an abundant number, since it is smaller than the sum of its proper divisors (2103375522312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

920888285688 is a wasteful number, since it uses less digits than its factorization.

920888285688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21001882 (or 21001872 counting only the distinct ones).

The product of its (nonzero) digits is 283115520, while the sum is 72.

The spelling of 920888285688 in words is "nine hundred twenty billion, eight hundred eighty-eight million, two hundred eighty-five thousand, six hundred eighty-eight".