78122611348 has 24 divisors (see below), whose sum is σ = 142729332480. Its totient is φ = 37344484320.

The previous prime is 78122611339. The next prime is 78122611349. The reversal of 78122611348 is 84311622187.

It is a super-2 number, since 2×78122611348² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78122611349) 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, 22588 + ... + 395923.

It is an arithmetic number, because the mean of its divisors is an integer number (5947055520).

Almost surely, 2^78122611348 is an apocalyptic number.

It is an amenable number.

78122611348 is a deficient number, since it is larger than the sum of its proper divisors (64606721132).

78122611348 is a wasteful number, since it uses less digits than its factorization.

78122611348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420567 (or 420565 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The spelling of 78122611348 in words is "seventy-eight billion, one hundred twenty-two million, six hundred eleven thousand, three hundred forty-eight".