766420700000000 has 324 divisors, whose sum is σ = 1978257639475320. Its totient is φ = 295995840000000.

The previous prime is 766420699999909. The next prime is 766420700000017. The reversal of 766420700000000 is 7024667.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2899867859 + ... + 2900132141.

Almost surely, 2^{766420700000000} 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 766420700000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (989128819737660).

766420700000000 is an abundant number, since it is smaller than the sum of its proper divisors (1211836939475320).

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

766420700000000 is an frugal number, since it uses more digits than its factorization.

766420700000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264368 (or 264319 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

Adding to 766420700000000 its reverse (7024667), we get a palindrome (766420707024667).

The spelling of 766420700000000 in words is "seven hundred sixty-six trillion, four hundred twenty billion, seven hundred million", and thus it is an aban number.