9956236628 has 24 divisors (see below), whose sum is σ = 18911434752. Its totient is φ = 4559000544.

The previous prime is 9956236621. The next prime is 9956236637. The reversal of 9956236628 is 8266326599.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9956236621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747200 + ... + 760407.

It is an arithmetic number, because the mean of its divisors is an integer number (787976448).

Almost surely, 2^9956236628 is an apocalyptic number.

It is an amenable number.

9956236628 is a deficient number, since it is larger than the sum of its proper divisors (8955198124).

9956236628 is a wasteful number, since it uses less digits than its factorization.

9956236628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507751 (or 1507749 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 56.

The square root of 9956236628 is about 99780.9432106151. The cubic root of 9956236628 is about 2151.2872499108.

The spelling of 9956236628 in words is "nine billion, nine hundred fifty-six million, two hundred thirty-six thousand, six hundred twenty-eight".