873245961 has 32 divisors (see below), whose sum is σ = 1503590400. Its totient is φ = 490533840.

The previous prime is 873245959. The next prime is 873245983. The reversal of 873245961 is 169542378.

It is not a de Polignac number, because 873245961 - 2¹ = 873245959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (873240961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28005 + ... + 50306.

It is an arithmetic number, because the mean of its divisors is an integer number (46987200).

Almost surely, 2^873245961 is an apocalyptic number.

It is an amenable number.

873245961 is a deficient number, since it is larger than the sum of its proper divisors (630344439).

873245961 is a wasteful number, since it uses less digits than its factorization.

873245961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78386 (or 78380 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 873245961 is about 29550.7353715606. The cubic root of 873245961 is about 955.8260484403.

The spelling of 873245961 in words is "eight hundred seventy-three million, two hundred forty-five thousand, nine hundred sixty-one".