505250077 has 8 divisors (see below), whose sum is σ = 509281472. Its totient is φ = 501228000.

The previous prime is 505250029. The next prime is 505250087. The reversal of 505250077 is 770052505.

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 505250077 - 2⁷ = 505249949 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 (505250027) 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, 139702 + ... + 143272.

It is an arithmetic number, because the mean of its divisors is an integer number (63660184).

Almost surely, 2^505250077 is an apocalyptic number.

It is an amenable number.

505250077 is a deficient number, since it is larger than the sum of its proper divisors (4031395).

505250077 is a wasteful number, since it uses less digits than its factorization.

505250077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4659.

The product of its (nonzero) digits is 12250, while the sum is 31.

The square root of 505250077 is about 22477.7685057926. The cubic root of 505250077 is about 796.4688517767.

The spelling of 505250077 in words is "five hundred five million, two hundred fifty thousand, seventy-seven".