122764607678 has 8 divisors (see below), whose sum is σ = 184248599400. Its totient is φ = 61348407880.

The previous prime is 122764607677. The next prime is 122764607683. The reversal of 122764607678 is 876706467221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×122764607678² (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 (122764607677) 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 3 ways as a sum of consecutive naturals, for example, 16943453 + ... + 16950696.

It is an arithmetic number, because the mean of its divisors is an integer number (23031074925).

Almost surely, 2^122764607678 is an apocalyptic number.

122764607678 is a deficient number, since it is larger than the sum of its proper divisors (61483991722).

122764607678 is a wasteful number, since it uses less digits than its factorization.

122764607678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33895962.

The product of its (nonzero) digits is 9483264, while the sum is 56.

The spelling of 122764607678 in words is "one hundred twenty-two billion, seven hundred sixty-four million, six hundred seven thousand, six hundred seventy-eight".