507780217901 has 8 divisors (see below), whose sum is σ = 568913463264. Its totient is φ = 449142207120.

The previous prime is 507780217849. The next prime is 507780217909. The reversal of 507780217901 is 109712087705.

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 507780217901 - 2¹⁴ = 507780201517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507780217909) 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, 623808215 + ... + 623809028.

It is an arithmetic number, because the mean of its divisors is an integer number (71114182908).

Almost surely, 2^507780217901 is an apocalyptic number.

It is an amenable number.

507780217901 is a deficient number, since it is larger than the sum of its proper divisors (61133245363).

507780217901 is a wasteful number, since it uses less digits than its factorization.

507780217901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247617291.

The product of its (nonzero) digits is 246960, while the sum is 47.

The spelling of 507780217901 in words is "five hundred seven billion, seven hundred eighty million, two hundred seventeen thousand, nine hundred one".