155796450479 has 8 divisors (see below), whose sum is σ = 164972479680. Its totient is φ = 146621702656.

The previous prime is 155796450473. The next prime is 155796450497. The reversal of 155796450479 is 974054697551.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 155796450479 - 2²⁰ = 155795401903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155796450473) 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 7 ways as a sum of consecutive naturals, for example, 64154 + ... + 561879.

It is an arithmetic number, because the mean of its divisors is an integer number (20621559960).

Almost surely, 2^155796450479 is an apocalyptic number.

155796450479 is a deficient number, since it is larger than the sum of its proper divisors (9176029201).

155796450479 is a wasteful number, since it uses less digits than its factorization.

155796450479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640689.

The product of its (nonzero) digits is 47628000, while the sum is 62.

The spelling of 155796450479 in words is "one hundred fifty-five billion, seven hundred ninety-six million, four hundred fifty thousand, four hundred seventy-nine".