9976991282 has 4 divisors (see below), whose sum is σ = 14965486926. Its totient is φ = 4988495640.

The previous prime is 9976991261. The next prime is 9976991287. The reversal of 9976991282 is 2821996799.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5016747241 + 4960244041 = 70829^2 + 70429^2 .

It is a super-3 number, since 3×9976991282³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (9976991287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2494247819 + ... + 2494247822.

Almost surely, 2^9976991282 is an apocalyptic number.

9976991282 is a deficient number, since it is larger than the sum of its proper divisors (4988495644).

9976991282 is a wasteful number, since it uses less digits than its factorization.

9976991282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988495643.

The product of its digits is 8817984, while the sum is 62.

The square root of 9976991282 is about 99884.8901586221. The cubic root of 9976991282 is about 2152.7810617794.

The spelling of 9976991282 in words is "nine billion, nine hundred seventy-six million, nine hundred ninety-one thousand, two hundred eighty-two".