920487879524 has 24 divisors (see below), whose sum is σ = 1672428511488. Its totient is φ = 442822799520.

The previous prime is 920487879517. The next prime is 920487879529. The reversal of 920487879524 is 425978784029.

It is not an unprimeable number, because it can be changed into a prime (920487879529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21433142 + ... + 21476045.

It is an arithmetic number, because the mean of its divisors is an integer number (69684521312).

Almost surely, 2^920487879524 is an apocalyptic number.

It is an amenable number.

920487879524 is a deficient number, since it is larger than the sum of its proper divisors (751940631964).

920487879524 is a wasteful number, since it uses less digits than its factorization.

920487879524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42909395 (or 42909393 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 65.

The spelling of 920487879524 in words is "nine hundred twenty billion, four hundred eighty-seven million, eight hundred seventy-nine thousand, five hundred twenty-four".