9701906872 has 16 divisors (see below), whose sum is σ = 20789800560. Its totient is φ = 4157960064.

The previous prime is 9701906861. The next prime is 9701906911. The reversal of 9701906872 is 2786091079.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86624113 + ... + 86624224.

It is an arithmetic number, because the mean of its divisors is an integer number (1299362535).

Almost surely, 2^9701906872 is an apocalyptic number.

It is an amenable number.

9701906872 is an abundant number, since it is smaller than the sum of its proper divisors (11087893688).

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

9701906872 is a wasteful number, since it uses less digits than its factorization.

9701906872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173248350 (or 173248346 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 9701906872 is about 98498.2582181025. The cubic root of 9701906872 is about 2132.8109765577.

The spelling of 9701906872 in words is "nine billion, seven hundred one million, nine hundred six thousand, eight hundred seventy-two".