75766654505 has 16 divisors (see below), whose sum is σ = 91441695744. Its totient is φ = 60265835520.

The previous prime is 75766654501. The next prime is 75766654519. The reversal of 75766654505 is 50545666757.

It is not a de Polignac number, because 75766654505 - 2² = 75766654501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75766654501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1999142 + ... + 2036688.

It is an arithmetic number, because the mean of its divisors is an integer number (5715105984).

Almost surely, 2^75766654505 is an apocalyptic number.

It is an amenable number.

75766654505 is a deficient number, since it is larger than the sum of its proper divisors (15675041239).

75766654505 is a wasteful number, since it uses less digits than its factorization.

75766654505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39856.

The product of its (nonzero) digits is 26460000, while the sum is 56.

The spelling of 75766654505 in words is "seventy-five billion, seven hundred sixty-six million, six hundred fifty-four thousand, five hundred five".