772765450208072 has 16 divisors (see below), whose sum is σ = 1450700061075900. Its totient is φ = 385912100587840.

The previous prime is 772765450208069. The next prime is 772765450208093. The reversal of 772765450208072 is 270802054567277.

It can be written as a sum of positive squares in 2 ways, for example, as 762522723626596 + 10242726581476 = 27613814^2 + 3200426^2 .

It is a junction number, because it is equal to n+sod(n) for n = 772765450207996 and 772765450208014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58828057547 + ... + 58828070682.

Almost surely, 2^{772765450208072} is an apocalyptic number.

It is an amenable number.

772765450208072 is a deficient number, since it is larger than the sum of its proper divisors (677934610867828).

772765450208072 is a wasteful number, since it uses less digits than its factorization.

772765450208072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117656129056 (or 117656129052 counting only the distinct ones).

The product of its (nonzero) digits is 92198400, while the sum is 62.

The spelling of 772765450208072 in words is "seven hundred seventy-two trillion, seven hundred sixty-five billion, four hundred fifty million, two hundred eight thousand, seventy-two".