976940208636 has 96 divisors (see below), whose sum is σ = 2647416199680. Its totient is φ = 274635884544.

The previous prime is 976940208631. The next prime is 976940208641. The reversal of 976940208636 is 636802049679.

It is an interprime number because it is at equal distance from previous prime (976940208631) and next prime (976940208641).

It is a self number, because there is not a number n which added to its sum of digits gives 976940208636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (976940208631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 924775 + ... + 1676033.

It is an arithmetic number, because the mean of its divisors is an integer number (27577252080).

Almost surely, 2^976940208636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 976940208636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1323708099840).

976940208636 is an abundant number, since it is smaller than the sum of its proper divisors (1670475991044).

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

976940208636 is a wasteful number, since it uses less digits than its factorization.

976940208636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751523 (or 751521 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 976940208636 in words is "nine hundred seventy-six billion, nine hundred forty million, two hundred eight thousand, six hundred thirty-six".