9957962885 has 16 divisors (see below), whose sum is σ = 12871956720. Its totient is φ = 7351741440.

The previous prime is 9957962881. The next prime is 9957962969. The reversal of 9957962885 is 5882697599.

It can be written as a sum of positive squares in 8 ways, for example, as 1515361 + 9956447524 = 1231^2 + 99782^2 .

It is not a de Polignac number, because 9957962885 - 2² = 9957962881 is a prime.

It is a super-2 number, since 2×9957962885² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9957962881) 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, 279671 + ... + 313259.

It is an arithmetic number, because the mean of its divisors is an integer number (804497295).

Almost surely, 2^9957962885 is an apocalyptic number.

It is an amenable number.

9957962885 is a deficient number, since it is larger than the sum of its proper divisors (2913993835).

9957962885 is a wasteful number, since it uses less digits than its factorization.

9957962885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38168.

The product of its digits is 97977600, while the sum is 68.

The square root of 9957962885 is about 99789.5930696182. The cubic root of 9957962885 is about 2151.4115760058.

The spelling of 9957962885 in words is "nine billion, nine hundred fifty-seven million, nine hundred sixty-two thousand, eight hundred eighty-five".