506787870 has 32 divisors (see below), whose sum is σ = 1227457440. Its totient is φ = 133902720.

The previous prime is 506787857. The next prime is 506787871. The reversal of 506787870 is 78787605.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506787871) 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, 74221 + ... + 80760.

It is an arithmetic number, because the mean of its divisors is an integer number (38358045).

Almost surely, 2^506787870 is an apocalyptic number.

506787870 is an abundant number, since it is smaller than the sum of its proper divisors (720669570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

506787870 is a wasteful number, since it uses less digits than its factorization.

506787870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155100.

The product of its (nonzero) digits is 658560, while the sum is 48.

The square root of 506787870 is about 22511.9494935468. The cubic root of 506787870 is about 797.2760848425.

The spelling of 506787870 in words is "five hundred six million, seven hundred eighty-seven thousand, eight hundred seventy".