7478532587 has 4 divisors (see below), whose sum is σ = 7502892936. Its totient is φ = 7454172240.

The previous prime is 7478532583. The next prime is 7478532623. The reversal of 7478532587 is 7852358747.

7478532587 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7852358747 = 419 ⋅18740713.

It is a cyclic number.

It is not a de Polignac number, because 7478532587 - 2² = 7478532583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7478532583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12179714 + ... + 12180327.

It is an arithmetic number, because the mean of its divisors is an integer number (1875723234).

Almost surely, 2^7478532587 is an apocalyptic number.

7478532587 is a deficient number, since it is larger than the sum of its proper divisors (24360349).

7478532587 is a wasteful number, since it uses less digits than its factorization.

7478532587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24360348.

The product of its digits is 13171200, while the sum is 56.

The square root of 7478532587 is about 86478.5093939529. The cubic root of 7478532587 is about 1955.5644340643.

The spelling of 7478532587 in words is "seven billion, four hundred seventy-eight million, five hundred thirty-two thousand, five hundred eighty-seven".