10013578787 has 4 divisors (see below), whose sum is σ = 10116811656. Its totient is φ = 9910345920.

The previous prime is 10013578781. The next prime is 10013578811. The reversal of 10013578787 is 78787531001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78787531001 = 79 ⋅997310519.

It is a cyclic number.

It is not a de Polignac number, because 10013578787 - 2²⁰ = 10012530211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10013578781) 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, 51616289 + ... + 51616482.

It is an arithmetic number, because the mean of its divisors is an integer number (2529202914).

Almost surely, 2^10013578787 is an apocalyptic number.

10013578787 is a deficient number, since it is larger than the sum of its proper divisors (103232869).

10013578787 is an equidigital number, since it uses as much as digits as its factorization.

10013578787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103232868.

The product of its (nonzero) digits is 329280, while the sum is 47.

The spelling of 10013578787 in words is "ten billion, thirteen million, five hundred seventy-eight thousand, seven hundred eighty-seven".