488215764 has 18 divisors (see below), whose sum is σ = 1234101050. Its totient is φ = 162738576.

The previous prime is 488215753. The next prime is 488215771. The reversal of 488215764 is 467512884.

It can be written as a sum of positive squares in only one way, i.e., 330512400 + 157703364 = 18180^2 + 12558^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6780739 + ... + 6780810.

Almost surely, 2^488215764 is an apocalyptic number.

It is an amenable number.

488215764 is an abundant number, since it is smaller than the sum of its proper divisors (745885286).

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

488215764 is a wasteful number, since it uses less digits than its factorization.

488215764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13561559 (or 13561554 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 488215764 is about 22095.6050833644. The cubic root of 488215764 is about 787.4154515427.

The spelling of 488215764 in words is "four hundred eighty-eight million, two hundred fifteen thousand, seven hundred sixty-four".