7749499896 has 24 divisors (see below), whose sum is σ = 20988229080. Its totient is φ = 2583166608.

The previous prime is 7749499873. The next prime is 7749499903. The reversal of 7749499896 is 6989949477.

7749499896 is a `hidden beast` number, since 7 + 7 + 49 + 499 + 8 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (72), and also a Moran number because the ratio is a prime number: 107631943 = 7749499896 / (7 + 7 + 4 + 9 + 4 + 9 + 9 + 8 + 9 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53815900 + ... + 53816043.

It is an arithmetic number, because the mean of its divisors is an integer number (874509545).

Almost surely, 2^7749499896 is an apocalyptic number.

It is an amenable number.

7749499896 is an abundant number, since it is smaller than the sum of its proper divisors (13238729184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7749499896 is a wasteful number, since it uses less digits than its factorization.

7749499896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107631955 (or 107631948 counting only the distinct ones).

The product of its digits is 246903552, while the sum is 72.

The square root of 7749499896 is about 88031.2438626196. The cubic root of 7749499896 is about 1978.9032370982.

The spelling of 7749499896 in words is "seven billion, seven hundred forty-nine million, four hundred ninety-nine thousand, eight hundred ninety-six".