66876062867 has 8 divisors (see below), whose sum is σ = 70831002816. Its totient is φ = 62923462272.

The previous prime is 66876062843. The next prime is 66876062879. The reversal of 66876062867 is 76826067866.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66876062867 - 2¹⁴ = 66876046483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66876062467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525803 + ... + 640484.

It is an arithmetic number, because the mean of its divisors is an integer number (8853875352).

Almost surely, 2^66876062867 is an apocalyptic number.

66876062867 is a deficient number, since it is larger than the sum of its proper divisors (3954939949).

66876062867 is a wasteful number, since it uses less digits than its factorization.

66876062867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169677.

The product of its (nonzero) digits is 48771072, while the sum is 62.

The spelling of 66876062867 in words is "sixty-six billion, eight hundred seventy-six million, sixty-two thousand, eight hundred sixty-seven".