872909942 has 8 divisors (see below), whose sum is σ = 1309586616. Its totient is φ = 436381072.

The previous prime is 872909941. The next prime is 872909963. The reversal of 872909942 is 249909278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872909941) 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, 20768 + ... + 46659.

It is an arithmetic number, because the mean of its divisors is an integer number (163698327).

Almost surely, 2^872909942 is an apocalyptic number.

872909942 is a deficient number, since it is larger than the sum of its proper divisors (436676674).

872909942 is a wasteful number, since it uses less digits than its factorization.

872909942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73902.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 872909942 is about 29545.0493653336. The cubic root of 872909942 is about 955.7034342966.

The spelling of 872909942 in words is "eight hundred seventy-two million, nine hundred nine thousand, nine hundred forty-two".