75770552447 has 12 divisors (see below), whose sum is σ = 80702063640. Its totient is φ = 71124035472.

The previous prime is 75770552437. The next prime is 75770552467. The reversal of 75770552447 is 74425507757.

It is not a de Polignac number, because 75770552447 - 2¹² = 75770548351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75770552437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 923453 + ... + 1002150.

It is an arithmetic number, because the mean of its divisors is an integer number (6725171970).

Almost surely, 2^75770552447 is an apocalyptic number.

75770552447 is a deficient number, since it is larger than the sum of its proper divisors (4931511193).

75770552447 is a wasteful number, since it uses less digits than its factorization.

75770552447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925750 (or 1925731 counting only the distinct ones).

The product of its (nonzero) digits is 9604000, while the sum is 53.

The spelling of 75770552447 in words is "seventy-five billion, seven hundred seventy million, five hundred fifty-two thousand, four hundred forty-seven".