873870563 has 8 divisors (see below), whose sum is σ = 912930816. Its totient is φ = 835489800.

The previous prime is 873870559. The next prime is 873870581. The reversal of 873870563 is 365078378.

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 873870563 - 2² = 873870559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (873870583) 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, 167243 + ... + 172388.

It is an arithmetic number, because the mean of its divisors is an integer number (114116352).

Almost surely, 2^873870563 is an apocalyptic number.

873870563 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

873870563 is a deficient number, since it is larger than the sum of its proper divisors (39060253).

873870563 is a wasteful number, since it uses less digits than its factorization.

873870563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339745.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 873870563 is about 29561.3017812139. The cubic root of 873870563 is about 956.0538836683.

The spelling of 873870563 in words is "eight hundred seventy-three million, eight hundred seventy thousand, five hundred sixty-three".