2479999797 has 48 divisors (see below), whose sum is σ = 4215976128. Its totient is φ = 1387875840.

The previous prime is 2479999741. The next prime is 2479999801. The reversal of 2479999797 is 7979999742.

It is not a de Polignac number, because 2479999797 - 2⁶ = 2479999733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2479991797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75298 + ... + 103100.

It is an arithmetic number, because the mean of its divisors is an integer number (87832836).

Almost surely, 2^2479999797 is an apocalyptic number.

It is an amenable number.

2479999797 is a deficient number, since it is larger than the sum of its proper divisors (1735976331).

2479999797 is a wasteful number, since it uses less digits than its factorization.

2479999797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27890 (or 27887 counting only the distinct ones).

The product of its digits is 162030456, while the sum is 72.

The square root of 2479999797 is about 49799.5963537858. The cubic root of 2479999797 is about 1353.5798534890.

Subtracting 2479999797 from its reverse (7979999742), we obtain a palindrome (5499999945).

The spelling of 2479999797 in words is "two billion, four hundred seventy-nine million, nine hundred ninety-nine thousand, seven hundred ninety-seven".