78010322769 has 6 divisors (see below), whose sum is σ = 112681577346. Its totient is φ = 52006881840.

The previous prime is 78010322717. The next prime is 78010322771. The reversal of 78010322769 is 96722301087.

It can be written as a sum of positive squares in only one way, i.e., 65300691600 + 12709631169 = 255540^2 + 112737^2 .

It is not a de Polignac number, because 78010322769 - 2⁷ = 78010322641 is a prime.

It is a super-2 number, since 2×78010322769² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78010322969) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 4333906812 + ... + 4333906829.

It is an arithmetic number, because the mean of its divisors is an integer number (18780262891).

Almost surely, 2^78010322769 is an apocalyptic number.

It is an amenable number.

78010322769 is a deficient number, since it is larger than the sum of its proper divisors (34671254577).

78010322769 is a wasteful number, since it uses less digits than its factorization.

78010322769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8667813647 (or 8667813644 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 78010322769 in words is "seventy-eight billion, ten million, three hundred twenty-two thousand, seven hundred sixty-nine".