959921873 has 4 divisors (see below), whose sum is σ = 966928740. Its totient is φ = 952915008.

The previous prime is 959921869. The next prime is 959921887. The reversal of 959921873 is 378129959.

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 782712529 + 177209344 = 27977^2 + 13312^2 .

It is not a de Polignac number, because 959921873 - 2² = 959921869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (959921863) 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, 3503228 + ... + 3503501.

It is an arithmetic number, because the mean of its divisors is an integer number (241732185).

Almost surely, 2^959921873 is an apocalyptic number.

It is an amenable number.

959921873 is a deficient number, since it is larger than the sum of its proper divisors (7006867).

959921873 is a wasteful number, since it uses less digits than its factorization.

959921873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7006866.

The product of its digits is 1224720, while the sum is 53.

The square root of 959921873 is about 30982.6059749660. The cubic root of 959921873 is about 986.4580682075.

The spelling of 959921873 in words is "nine hundred fifty-nine million, nine hundred twenty-one thousand, eight hundred seventy-three".