24797990885 has 16 divisors (see below), whose sum is σ = 31338869760. Its totient is φ = 18785211840.

The previous prime is 24797990863. The next prime is 24797990887. The reversal of 24797990885 is 58809979742.

It is not a de Polignac number, because 24797990885 - 2¹⁸ = 24797728741 is a prime.

It is a super-2 number, since 2×24797990885² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24797990887) 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 15 ways as a sum of consecutive naturals, for example, 138719 + ... + 262371.

It is an arithmetic number, because the mean of its divisors is an integer number (1958679360).

Almost surely, 2^24797990885 is an apocalyptic number.

It is an amenable number.

24797990885 is a deficient number, since it is larger than the sum of its proper divisors (6540878875).

24797990885 is a wasteful number, since it uses less digits than its factorization.

24797990885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125788.

The product of its (nonzero) digits is 91445760, while the sum is 68.

The spelling of 24797990885 in words is "twenty-four billion, seven hundred ninety-seven million, nine hundred ninety thousand, eight hundred eighty-five".