505455723782 has 32 divisors (see below), whose sum is σ = 782351032320. Its totient is φ = 244779333120.

The previous prime is 505455723781. The next prime is 505455723809. The reversal of 505455723782 is 287327554505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505455723781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5113019 + ... + 5210937.

It is an arithmetic number, because the mean of its divisors is an integer number (24448469760).

Almost surely, 2^505455723782 is an apocalyptic number.

505455723782 is a deficient number, since it is larger than the sum of its proper divisors (276895308538).

505455723782 is a wasteful number, since it uses less digits than its factorization.

505455723782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98468.

The product of its (nonzero) digits is 11760000, while the sum is 53.

The spelling of 505455723782 in words is "five hundred five billion, four hundred fifty-five million, seven hundred twenty-three thousand, seven hundred eighty-two".