921832672761 has 480 divisors, whose sum is σ = 1963220345856. Its totient is φ = 426790425600.

The previous prime is 921832672703. The next prime is 921832672777. The reversal of 921832672761 is 167276238129.

It is a happy number.

921832672761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 921832672761 - 2⁹ = 921832672249 is a prime.

It is a super-2 number, since 2×921832672761² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 921832672698 and 921832672707.

It is not an unprimeable number, because it can be changed into a prime (921832673761) by changing a digit.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 2128943601 + ... + 2128944033.

Almost surely, 2^921832672761 is an apocalyptic number.

921832672761 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

921832672761 is an abundant number, since it is smaller than the sum of its proper divisors (1041387673095).

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

921832672761 is a wasteful number, since it uses less digits than its factorization.

921832672761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 498 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 921832672761 in words is "nine hundred twenty-one billion, eight hundred thirty-two million, six hundred seventy-two thousand, seven hundred sixty-one".