67790122845 has 32 divisors (see below), whose sum is σ = 114890462208. Its totient is φ = 34014348288.

The previous prime is 67790122837. The next prime is 67790122849. The reversal of 67790122845 is 54822109776.

It is a happy number.

It is not a de Polignac number, because 67790122845 - 2³ = 67790122837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67790122849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 600052 + ... + 704018.

It is an arithmetic number, because the mean of its divisors is an integer number (3590326944).

Almost surely, 2^67790122845 is an apocalyptic number.

It is an amenable number.

67790122845 is a deficient number, since it is larger than the sum of its proper divisors (47100339363).

67790122845 is a wasteful number, since it uses less digits than its factorization.

67790122845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106549.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 67790122845 in words is "sixty-seven billion, seven hundred ninety million, one hundred twenty-two thousand, eight hundred forty-five".