507785777780 has 48 divisors (see below), whose sum is σ = 1130498535936. Its totient is φ = 191249735040.

The previous prime is 507785777717. The next prime is 507785777791. The reversal of 507785777780 is 87777587705.

It is a super-2 number, since 2×507785777780² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 507785777780.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11044754 + ... + 11090633.

It is an arithmetic number, because the mean of its divisors is an integer number (23552052832).

Almost surely, 2^507785777780 is an apocalyptic number.

It is an amenable number.

507785777780 is an abundant number, since it is smaller than the sum of its proper divisors (622712758156).

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

507785777780 is a wasteful number, since it uses less digits than its factorization.

507785777780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22135464 (or 22135462 counting only the distinct ones).

The product of its (nonzero) digits is 188238400, while the sum is 68.

The spelling of 507785777780 in words is "five hundred seven billion, seven hundred eighty-five million, seven hundred seventy-seven thousand, seven hundred eighty".