24797804479 has 4 divisors (see below), whose sum is σ = 28340347984. Its totient is φ = 21255260976.

The previous prime is 24797804441. The next prime is 24797804519. The reversal of 24797804479 is 97440879742.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 24797804479 - 2⁷ = 24797804351 is a prime.

It is a super-2 number, since 2×24797804479² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24797804429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1771271742 + ... + 1771271755.

It is an arithmetic number, because the mean of its divisors is an integer number (7085086996).

Almost surely, 2^24797804479 is an apocalyptic number.

24797804479 is a deficient number, since it is larger than the sum of its proper divisors (3542543505).

24797804479 is an equidigital number, since it uses as much as digits as its factorization.

24797804479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542543504.

The product of its (nonzero) digits is 28449792, while the sum is 61.

The spelling of 24797804479 in words is "twenty-four billion, seven hundred ninety-seven million, eight hundred four thousand, four hundred seventy-nine".