9872712401 has 4 divisors (see below), whose sum is σ = 9881073204. Its totient is φ = 9864351600.

The previous prime is 9872712389. The next prime is 9872712407. The reversal of 9872712401 is 1042172789.

9872712401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1042172789 = 7 ⋅148881827.

It can be written as a sum of positive squares in 2 ways, for example, as 9457368001 + 415344400 = 97249^2 + 20380^2 .

It is a cyclic number.

It is not a de Polignac number, because 9872712401 - 2⁶ = 9872712337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9872712407) 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, 4178630 + ... + 4180991.

It is an arithmetic number, because the mean of its divisors is an integer number (2470268301).

Almost surely, 2^9872712401 is an apocalyptic number.

It is an amenable number.

9872712401 is a deficient number, since it is larger than the sum of its proper divisors (8360803).

9872712401 is a wasteful number, since it uses less digits than its factorization.

9872712401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8360802.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 9872712401 is about 99361.5237453613. The cubic root of 9872712401 is about 2145.2545345203.

The spelling of 9872712401 in words is "nine billion, eight hundred seventy-two million, seven hundred twelve thousand, four hundred one".