78122937266 has 32 divisors (see below), whose sum is σ = 136345488192. Its totient is φ = 33177602560.

The previous prime is 78122937259. The next prime is 78122937293. The reversal of 78122937266 is 66273922187.

It is a super-2 number, since 2×78122937266² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 711116 + ... + 813591.

It is an arithmetic number, because the mean of its divisors is an integer number (4260796506).

Almost surely, 2^78122937266 is an apocalyptic number.

78122937266 is a deficient number, since it is larger than the sum of its proper divisors (58222550926).

78122937266 is a wasteful number, since it uses less digits than its factorization.

78122937266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524874.

The product of its digits is 3048192, while the sum is 53.

The spelling of 78122937266 in words is "seventy-eight billion, one hundred twenty-two million, nine hundred thirty-seven thousand, two hundred sixty-six".