871345579 has 16 divisors (see below), whose sum is σ = 949144000. Its totient is φ = 799875648.

The previous prime is 871345577. The next prime is 871345621. The reversal of 871345579 is 975543178.

It is a happy number.

It is not a de Polignac number, because 871345579 - 2¹ = 871345577 is a prime.

It is a Duffinian number.

Its product of digits (1058400) is a multiple of the sum of its prime divisors (2205).

It is not an unprimeable number, because it can be changed into a prime (871345577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436207 + ... + 438199.

It is an arithmetic number, because the mean of its divisors is an integer number (59321500).

Almost surely, 2^871345579 is an apocalyptic number.

871345579 is a deficient number, since it is larger than the sum of its proper divisors (77798421).

871345579 is a wasteful number, since it uses less digits than its factorization.

871345579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231 (or 2205 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 49.

The square root of 871345579 is about 29518.5632949844. The cubic root of 871345579 is about 955.1321798349.

The spelling of 871345579 in words is "eight hundred seventy-one million, three hundred forty-five thousand, five hundred seventy-nine".