505746264477 has 16 divisors (see below), whose sum is σ = 680517642240. Its totient is φ = 334076404032.

The previous prime is 505746264473. The next prime is 505746264511. The reversal of 505746264477 is 774462647505.

It is not a de Polignac number, because 505746264477 - 2² = 505746264473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505746264473) 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, 564102 + ... + 1153127.

It is an arithmetic number, because the mean of its divisors is an integer number (42532352640).

Almost surely, 2^505746264477 is an apocalyptic number.

It is an amenable number.

505746264477 is a deficient number, since it is larger than the sum of its proper divisors (174771377763).

505746264477 is a wasteful number, since it uses less digits than its factorization.

505746264477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718132.

The product of its (nonzero) digits is 39513600, while the sum is 57.

The spelling of 505746264477 in words is "five hundred five billion, seven hundred forty-six million, two hundred sixty-four thousand, four hundred seventy-seven".