75804065247 has 8 divisors (see below), whose sum is σ = 101073583744. Its totient is φ = 50535295128.

The previous prime is 75804065243. The next prime is 75804065263. The reversal of 75804065247 is 74256040857.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75804065247 - 2² = 75804065243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75804065196 and 75804065205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75804065243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122388 + ... + 408150.

It is an arithmetic number, because the mean of its divisors is an integer number (12634197968).

Almost surely, 2^75804065247 is an apocalyptic number.

75804065247 is a deficient number, since it is larger than the sum of its proper divisors (25269518497).

75804065247 is a wasteful number, since it uses less digits than its factorization.

75804065247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374189.

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 75804065247 in words is "seventy-five billion, eight hundred four million, sixty-five thousand, two hundred forty-seven".