505878933355 has 32 divisors (see below), whose sum is σ = 655322197824. Its totient is φ = 373464539136.

The previous prime is 505878933337. The next prime is 505878933377. The reversal of 505878933355 is 553339878505.

It is a cyclic number.

It is not a de Polignac number, because 505878933355 - 2⁷ = 505878933227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505878933293 and 505878933302.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6960112 + ... + 7032418.

It is an arithmetic number, because the mean of its divisors is an integer number (20478818682).

Almost surely, 2^505878933355 is an apocalyptic number.

505878933355 is a deficient number, since it is larger than the sum of its proper divisors (149443264469).

505878933355 is a wasteful number, since it uses less digits than its factorization.

505878933355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73935.

The product of its (nonzero) digits is 68040000, while the sum is 61.

The spelling of 505878933355 in words is "five hundred five billion, eight hundred seventy-eight million, nine hundred thirty-three thousand, three hundred fifty-five".