873927972 has 18 divisors (see below), whose sum is σ = 2209095798. Its totient is φ = 291309312.

The previous prime is 873927953. The next prime is 873927973. The reversal of 873927972 is 279729378.

It can be written as a sum of positive squares in only one way, i.e., 871784676 + 2143296 = 29526^2 + 1464^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (873927973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12137853 + ... + 12137924.

Almost surely, 2^873927972 is an apocalyptic number.

It is an amenable number.

873927972 is an abundant number, since it is smaller than the sum of its proper divisors (1335167826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

873927972 is a wasteful number, since it uses less digits than its factorization.

873927972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24275787 (or 24275782 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 873927972 is about 29562.2727813678. The cubic root of 873927972 is about 956.0748192232.

The spelling of 873927972 in words is "eight hundred seventy-three million, nine hundred twenty-seven thousand, nine hundred seventy-two".