77764011722716 has 24 divisors (see below), whose sum is σ = 157191424767216. Its totient is φ = 33268026405120.

The previous prime is 77764011722671. The next prime is 77764011722717. The reversal of 77764011722716 is 61722711046777.

It is a super-2 number, since 2×77764011722716² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77764011722717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51981290511 + ... + 51981292006.

It is an arithmetic number, because the mean of its divisors is an integer number (6549642698634).

Almost surely, 2^{77764011722716} is an apocalyptic number.

It is an amenable number.

77764011722716 is an abundant number, since it is smaller than the sum of its proper divisors (79427413044500).

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

77764011722716 is a wasteful number, since it uses less digits than its factorization.

77764011722716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103962582549 (or 103962582547 counting only the distinct ones).

The product of its (nonzero) digits is 9680832, while the sum is 58.

The spelling of 77764011722716 in words is "seventy-seven trillion, seven hundred sixty-four billion, eleven million, seven hundred twenty-two thousand, seven hundred sixteen".