78527472587 has 8 divisors (see below), whose sum is σ = 85326965760. Its totient is φ = 71994626280.

The previous prime is 78527472577. The next prime is 78527472589.

78527472587 is nontrivially palindromic in base 10.

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 78527472587 - 2⁴ = 78527472571 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78527472589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66661103 + ... + 66662280.

It is an arithmetic number, because the mean of its divisors is an integer number (10665870720).

Almost surely, 2^78527472587 is an apocalyptic number.

78527472587 is a deficient number, since it is larger than the sum of its proper divisors (6799493173).

78527472587 is a wasteful number, since it uses less digits than its factorization.

78527472587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133323433.

The product of its digits is 61465600, while the sum is 62.

The spelling of 78527472587 in words is "seventy-eight billion, five hundred twenty-seven million, four hundred seventy-two thousand, five hundred eighty-seven".