776710540320 has 1536 divisors, whose sum is σ = 3154512936960. Its totient is φ = 157925376000.

The previous prime is 776710540313. The next prime is 776710540327. The reversal of 776710540320 is 23045017677.

It is an interprime number because it is at equal distance from previous prime (776710540313) and next prime (776710540327).

It is not an unprimeable number, because it can be changed into a prime (776710540327) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2530001607 + ... + 2530001913.

It is an arithmetic number, because the mean of its divisors is an integer number (2053719360).

Almost surely, 2^776710540320 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 776710540320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1577256468480).

776710540320 is an abundant number, since it is smaller than the sum of its proper divisors (2377802396640).

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

776710540320 is a wasteful number, since it uses less digits than its factorization.

776710540320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 42.

Adding to 776710540320 its reverse (23045017677), we get a palindrome (799755557997).

The spelling of 776710540320 in words is "seven hundred seventy-six billion, seven hundred ten million, five hundred forty thousand, three hundred twenty".