772646136145 has 16 divisors (see below), whose sum is σ = 999437724432. Its totient is φ = 570031637760.

The previous prime is 772646136107. The next prime is 772646136181. The reversal of 772646136145 is 541631646277.

772646136145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 114858632464 + 657787503681 = 338908^2 + 811041^2 .

It is not a de Polignac number, because 772646136145 - 2¹⁵ = 772646103377 is a prime.

It is a super-2 number, since 2×772646136145² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 772646136092 and 772646136101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5532762 + ... + 5670691.

It is an arithmetic number, because the mean of its divisors is an integer number (62464857777).

Almost surely, 2^772646136145 is an apocalyptic number.

It is an amenable number.

772646136145 is a deficient number, since it is larger than the sum of its proper divisors (226791588287).

772646136145 is a wasteful number, since it uses less digits than its factorization.

772646136145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11204532.

The product of its digits is 5080320, while the sum is 52.

The spelling of 772646136145 in words is "seven hundred seventy-two billion, six hundred forty-six million, one hundred thirty-six thousand, one hundred forty-five".