9772006860 has 288 divisors, whose sum is σ = 38326159872. Its totient is φ = 2030469120.

The previous prime is 9772006807. The next prime is 9772006877. The reversal of 9772006860 is 686002779.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 361164 + ... + 387276.

It is an arithmetic number, because the mean of its divisors is an integer number (133076944).

Almost surely, 2^9772006860 is an apocalyptic number.

9772006860 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9772006860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19163079936).

9772006860 is an abundant number, since it is smaller than the sum of its proper divisors (28554153012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9772006860 is a wasteful number, since it uses less digits than its factorization.

9772006860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26155 (or 26141 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 9772006860 is about 98853.4615478892. The cubic root of 9772006860 is about 2137.9354459121.

The spelling of 9772006860 in words is "nine billion, seven hundred seventy-two million, six thousand, eight hundred sixty".