66887048 has 16 divisors (see below), whose sum is σ = 126656460. Its totient is φ = 33112000.

The previous prime is 66887047. The next prime is 66887069. The reversal of 66887048 is 84078866.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 66552964 + 334084 = 8158^2 + 578^2 .

It is a super-3 number, since 3×66887048³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66886993 and 66887011.

It is not an unprimeable number, because it can be changed into a prime (66887047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40583 + ... + 42198.

Almost surely, 2^66887048 is an apocalyptic number.

It is an amenable number.

66887048 is a deficient number, since it is larger than the sum of its proper divisors (59769412).

66887048 is a wasteful number, since it uses less digits than its factorization.

66887048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82888 (or 82884 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 66887048 is about 8178.4502199378. The cubic root of 66887048 is about 405.9264428689.

The spelling of 66887048 in words is "sixty-six million, eight hundred eighty-seven thousand, forty-eight".