507863587920 has 160 divisors (see below), whose sum is σ = 1695980866944. Its totient is φ = 124975872000.

The previous prime is 507863587919. The next prime is 507863587991. The reversal of 507863587920 is 29785368705.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11493870 + ... + 11537970.

Almost surely, 2^507863587920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 507863587920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847990433472).

507863587920 is an abundant number, since it is smaller than the sum of its proper divisors (1188117279024).

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

507863587920 is a wasteful number, since it uses less digits than its factorization.

507863587920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47821 (or 47815 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 60.

The spelling of 507863587920 in words is "five hundred seven billion, eight hundred sixty-three million, five hundred eighty-seven thousand, nine hundred twenty".