77722676145 has 16 divisors (see below), whose sum is σ = 138173646720. Its totient is φ = 41452093872.

The previous prime is 77722676051. The next prime is 77722676183. The reversal of 77722676145 is 54167622777.

It is not a de Polignac number, because 77722676145 - 2²⁶ = 77655567281 is a prime.

It is a super-2 number, since 2×77722676145² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77722676091 and 77722676100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287861629 + ... + 287861898.

It is an arithmetic number, because the mean of its divisors is an integer number (8635852920).

Almost surely, 2^77722676145 is an apocalyptic number.

It is an amenable number.

77722676145 is a deficient number, since it is larger than the sum of its proper divisors (60450970575).

77722676145 is a wasteful number, since it uses less digits than its factorization.

77722676145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575723541 (or 575723535 counting only the distinct ones).

The product of its digits is 6914880, while the sum is 54.

The spelling of 77722676145 in words is "seventy-seven billion, seven hundred twenty-two million, six hundred seventy-six thousand, one hundred forty-five".