9902701671 has 16 divisors (see below), whose sum is σ = 13990915584. Its totient is φ = 6208735104.

The previous prime is 9902701649. The next prime is 9902701687. The reversal of 9902701671 is 1761072099.

It is a happy number.

It is not a de Polignac number, because 9902701671 - 2⁶ = 9902701607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9902701621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5485 + ... + 140838.

It is an arithmetic number, because the mean of its divisors is an integer number (874432224).

Almost surely, 2^9902701671 is an apocalyptic number.

9902701671 is a deficient number, since it is larger than the sum of its proper divisors (4088213913).

9902701671 is a wasteful number, since it uses less digits than its factorization.

9902701671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147670.

The product of its (nonzero) digits is 47628, while the sum is 42.

The square root of 9902701671 is about 99512.3191921483. The cubic root of 9902701671 is about 2147.4244747144.

The spelling of 9902701671 in words is "nine billion, nine hundred two million, seven hundred one thousand, six hundred seventy-one".