66877552 has 30 divisors (see below), whose sum is σ = 150732168. Its totient is φ = 28661472.

The previous prime is 66877483. The next prime is 66877553. The reversal of 66877552 is 25577866.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66877553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41868 + ... + 43435.

Almost surely, 2^66877552 is an apocalyptic number.

It is an amenable number.

66877552 is an abundant number, since it is smaller than the sum of its proper divisors (83854616).

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

66877552 is a wasteful number, since it uses less digits than its factorization.

66877552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85325 (or 85312 counting only the distinct ones).

The product of its digits is 705600, while the sum is 46.

The square root of 66877552 is about 8177.8696492424. The cubic root of 66877552 is about 405.9072320748.

The spelling of 66877552 in words is "sixty-six million, eight hundred seventy-seven thousand, five hundred fifty-two".