33876872066 has 4 divisors (see below), whose sum is σ = 50815308102. Its totient is φ = 16938436032.

The previous prime is 33876872033. The next prime is 33876872083. The reversal of 33876872066 is 66027867833.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66027867833 = 32309 ⋅2043637.

It can be written as a sum of positive squares in only one way, i.e., 22699942225 + 11176929841 = 150665^2 + 105721^2 .

It is a super-2 number, since 2×33876872066² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8469218015 + ... + 8469218018.

Almost surely, 2^33876872066 is an apocalyptic number.

33876872066 is a deficient number, since it is larger than the sum of its proper divisors (16938436036).

33876872066 is a wasteful number, since it uses less digits than its factorization.

33876872066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16938436035.

The product of its (nonzero) digits is 12192768, while the sum is 56.

The spelling of 33876872066 in words is "thirty-three billion, eight hundred seventy-six million, eight hundred seventy-two thousand, sixty-six".