9976641794 has 16 divisors (see below), whose sum is σ = 18108862848. Its totient is φ = 4024191552.

The previous prime is 9976641721. The next prime is 9976641797. The reversal of 9976641794 is 4971466799.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9976641797) 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, 20959094 + ... + 20959569.

It is an arithmetic number, because the mean of its divisors is an integer number (1131803928).

Almost surely, 2^9976641794 is an apocalyptic number.

9976641794 is a deficient number, since it is larger than the sum of its proper divisors (8132221054).

9976641794 is a wasteful number, since it uses less digits than its factorization.

9976641794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41918689.

The product of its digits is 20575296, while the sum is 62.

The square root of 9976641794 is about 99883.1406895078. The cubic root of 9976641794 is about 2152.7559246109.

The spelling of 9976641794 in words is "nine billion, nine hundred seventy-six million, six hundred forty-one thousand, seven hundred ninety-four".