66825882627 has 24 divisors (see below), whose sum is σ = 103810151952. Its totient is φ = 38126592000.

The previous prime is 66825882593. The next prime is 66825882637. The reversal of 66825882627 is 72628852866.

It is a happy number.

It is not a de Polignac number, because 66825882627 - 2²³ = 66817494019 is a prime.

It is a super-2 number, since 2×66825882627² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66825882637) 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, 260374 + ... + 448827.

It is an arithmetic number, because the mean of its divisors is an integer number (4325422998).

Almost surely, 2^66825882627 is an apocalyptic number.

66825882627 is a deficient number, since it is larger than the sum of its proper divisors (36984269325).

66825882627 is a wasteful number, since it uses less digits than its factorization.

66825882627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709859 (or 709852 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 60.

The spelling of 66825882627 in words is "sixty-six billion, eight hundred twenty-five million, eight hundred eighty-two thousand, six hundred twenty-seven".