77723071119 has 12 divisors (see below), whose sum is σ = 113086124736. Its totient is φ = 51437165472.

The previous prime is 77723071117. The next prime is 77723071141. The reversal of 77723071119 is 91117032777.

It is a happy number.

It is not a de Polignac number, because 77723071119 - 2¹ = 77723071117 is a prime.

It is a super-2 number, since 2×77723071119² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77723071117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31516639 + ... + 31519104.

It is an arithmetic number, because the mean of its divisors is an integer number (9423843728).

Almost surely, 2^77723071119 is an apocalyptic number.

77723071119 is a deficient number, since it is larger than the sum of its proper divisors (35363053617).

77723071119 is a wasteful number, since it uses less digits than its factorization.

77723071119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63035886 (or 63035883 counting only the distinct ones).

The product of its (nonzero) digits is 129654, while the sum is 45.

The spelling of 77723071119 in words is "seventy-seven billion, seven hundred twenty-three million, seventy-one thousand, one hundred nineteen".