7766801201312 has 12 divisors (see below), whose sum is σ = 15290889865146. Its totient is φ = 3883400600640.

The previous prime is 7766801201311. The next prime is 7766801201323. The reversal of 7766801201312 is 2131021086677.

It can be written as a sum of positive squares in only one way, i.e., 6434725128976 + 1332076072336 = 2536676^2 + 1154156^2 .

It is a super-3 number, since 3×7766801201312³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (7766801201311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121356268739 + ... + 121356268802.

Almost surely, 2^{7766801201312} is an apocalyptic number.

It is an amenable number.

7766801201312 is a deficient number, since it is larger than the sum of its proper divisors (7524088663834).

7766801201312 is a wasteful number, since it uses less digits than its factorization.

7766801201312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242712537551 (or 242712537543 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

Adding to 7766801201312 its reverse (2131021086677), we get a palindrome (9897822287989).

The spelling of 7766801201312 in words is "seven trillion, seven hundred sixty-six billion, eight hundred one million, two hundred one thousand, three hundred twelve".