921882796538 has 32 divisors (see below), whose sum is σ = 1517028825600. Its totient is φ = 416682880560.

The previous prime is 921882796519. The next prime is 921882796561. The reversal of 921882796538 is 835697288129.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3997913 + ... + 4222211.

It is an arithmetic number, because the mean of its divisors is an integer number (47407150800).

Almost surely, 2^921882796538 is an apocalyptic number.

921882796538 is a deficient number, since it is larger than the sum of its proper divisors (595146029062).

921882796538 is a wasteful number, since it uses less digits than its factorization.

921882796538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225362.

The product of its digits is 104509440, while the sum is 68.

The spelling of 921882796538 in words is "nine hundred twenty-one billion, eight hundred eighty-two million, seven hundred ninety-six thousand, five hundred thirty-eight".