505390229967 has 8 divisors (see below), whose sum is σ = 770118445696. Its totient is φ = 288794417112.

The previous prime is 505390229921. The next prime is 505390229977. The reversal of 505390229967 is 769922093505.

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

It is not a de Polignac number, because 505390229967 - 2⁸ = 505390229711 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 (505390229977) 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, 12033100693 + ... + 12033100734.

It is an arithmetic number, because the mean of its divisors is an integer number (96264805712).

Almost surely, 2^505390229967 is an apocalyptic number.

505390229967 is a deficient number, since it is larger than the sum of its proper divisors (264728215729).

505390229967 is a wasteful number, since it uses less digits than its factorization.

505390229967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24066201437.

The product of its (nonzero) digits is 9185400, while the sum is 57.

The spelling of 505390229967 in words is "five hundred five billion, three hundred ninety million, two hundred twenty-nine thousand, nine hundred sixty-seven".