884805013 has 4 divisors (see below), whose sum is σ = 908718700. Its totient is φ = 860891328.

The previous prime is 884804971. The next prime is 884805059. The reversal of 884805013 is 310508488.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 826160049 + 58644964 = 28743^2 + 7658^2 .

It is a cyclic number.

It is not a de Polignac number, because 884805013 - 2²⁵ = 851250581 is a prime.

It is a super-2 number, since 2×884805013² = 1565759822059860338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 23913649 = 884805013 / (8 + 8 + 4 + 8 + 0 + 5 + 0 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (884805113) 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, 11956788 + ... + 11956861.

It is an arithmetic number, because the mean of its divisors is an integer number (227179675).

Almost surely, 2^884805013 is an apocalyptic number.

It is an amenable number.

884805013 is a deficient number, since it is larger than the sum of its proper divisors (23913687).

884805013 is a wasteful number, since it uses less digits than its factorization.

884805013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23913686.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 884805013 is about 29745.6721726035. The cubic root of 884805013 is about 960.0249606502.

The spelling of 884805013 in words is "eight hundred eighty-four million, eight hundred five thousand, thirteen".