75513327755 has 8 divisors (see below), whose sum is σ = 91550179392. Its totient is φ = 59787871488.

The previous prime is 75513327739. The next prime is 75513327761. The reversal of 75513327755 is 55772331557.

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

It is a cyclic number.

It is not a de Polignac number, because 75513327755 - 2⁴ = 75513327739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77848307 + ... + 77849276.

It is an arithmetic number, because the mean of its divisors is an integer number (11443772424).

Almost surely, 2^75513327755 is an apocalyptic number.

75513327755 is a deficient number, since it is larger than the sum of its proper divisors (16036851637).

75513327755 is a wasteful number, since it uses less digits than its factorization.

75513327755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155697685.

The product of its digits is 3858750, while the sum is 50.

The spelling of 75513327755 in words is "seventy-five billion, five hundred thirteen million, three hundred twenty-seven thousand, seven hundred fifty-five".