7475448477 has 48 divisors (see below), whose sum is σ = 12380290560. Its totient is φ = 3990859488.

The previous prime is 7475448389. The next prime is 7475448481. The reversal of 7475448477 is 7748445747.

It is not a de Polignac number, because 7475448477 - 2¹⁰ = 7475447453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7475448077) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119674 + ... + 171092.

It is an arithmetic number, because the mean of its divisors is an integer number (257922720).

Almost surely, 2^7475448477 is an apocalyptic number.

It is an amenable number.

7475448477 is a deficient number, since it is larger than the sum of its proper divisors (4904842083).

7475448477 is a wasteful number, since it uses less digits than its factorization.

7475448477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51502 (or 51495 counting only the distinct ones).

The product of its digits is 24586240, while the sum is 57.

The square root of 7475448477 is about 86460.6758995094. The cubic root of 7475448477 is about 1955.2955753891.

The spelling of 7475448477 in words is "seven billion, four hundred seventy-five million, four hundred forty-eight thousand, four hundred seventy-seven".