507385788 has 72 divisors (see below), whose sum is σ = 1483150032. Its totient is φ = 133814016.

The previous prime is 507385787. The next prime is 507385789. The reversal of 507385788 is 887583705.

It is an interprime number because it is at equal distance from previous prime (507385787) and next prime (507385789).

It is a self number, because there is not a number n which added to its sum of digits gives 507385788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507385787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25545 + ... + 40832.

It is an arithmetic number, because the mean of its divisors is an integer number (20599306).

Almost surely, 2^507385788 is an apocalyptic number.

It is an amenable number.

507385788 is an abundant number, since it is smaller than the sum of its proper divisors (975764244).

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

507385788 is a wasteful number, since it uses less digits than its factorization.

507385788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66411 (or 66402 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 51.

The square root of 507385788 is about 22525.2255926550. The cubic root of 507385788 is about 797.5895087933.

The spelling of 507385788 in words is "five hundred seven million, three hundred eighty-five thousand, seven hundred eighty-eight".