72816877066 has 8 divisors (see below), whose sum is σ = 114974016480. Its totient is φ = 34492204908.

The previous prime is 72816877061. The next prime is 72816877127. The reversal of 72816877066 is 66077861827.

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

It is a self number, because there is not a number n which added to its sum of digits gives 72816877066.

It is not an unprimeable number, because it can be changed into a prime (72816877061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958116766 + ... + 958116841.

It is an arithmetic number, because the mean of its divisors is an integer number (14371752060).

Almost surely, 2^72816877066 is an apocalyptic number.

72816877066 is a deficient number, since it is larger than the sum of its proper divisors (42157139414).

72816877066 is a wasteful number, since it uses less digits than its factorization.

72816877066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916233628.

The product of its (nonzero) digits is 9483264, while the sum is 58.

The spelling of 72816877066 in words is "seventy-two billion, eight hundred sixteen million, eight hundred seventy-seven thousand, sixty-six".