872403471 has 12 divisors (see below), whose sum is σ = 1264791840. Its totient is φ = 579454560.

The previous prime is 872403451. The next prime is 872403523. The reversal of 872403471 is 174304278.

It is a happy number.

It is not a de Polignac number, because 872403471 - 2¹¹ = 872401423 is a prime.

It is a super-3 number, since 3×872403471³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872403431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176406 + ... + 181283.

It is an arithmetic number, because the mean of its divisors is an integer number (105399320).

Almost surely, 2^872403471 is an apocalyptic number.

872403471 is a deficient number, since it is larger than the sum of its proper divisors (392388369).

872403471 is a wasteful number, since it uses less digits than its factorization.

872403471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357966 (or 357963 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 872403471 is about 29536.4769564686. The cubic root of 872403471 is about 955.5185623356.

The spelling of 872403471 in words is "eight hundred seventy-two million, four hundred three thousand, four hundred seventy-one".