9977462712 has 240 divisors, whose sum is σ = 32739783120. Its totient is φ = 2830464000.

The previous prime is 9977462669. The next prime is 9977462771. The reversal of 9977462712 is 2172647799.

9977462712 is a `hidden beast` number, since 9 + 9 + 7 + 7 + 4 + 627 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4793512 + ... + 4795592.

It is an arithmetic number, because the mean of its divisors is an integer number (136415763).

Almost surely, 2^9977462712 is an apocalyptic number.

9977462712 is the 49944-th decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9977462712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16369891560).

9977462712 is an abundant number, since it is smaller than the sum of its proper divisors (22762320408).

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

9977462712 is a wasteful number, since it uses less digits than its factorization.

9977462712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264 (or 2244 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 9977462712 is about 99887.2499971843. The cubic root of 9977462712 is about 2152.8149687814.

The spelling of 9977462712 in words is "nine billion, nine hundred seventy-seven million, four hundred sixty-two thousand, seven hundred twelve".