72183388887002 has 8 divisors (see below), whose sum is σ = 108276253428756. Its totient is φ = 36091304410752.

The previous prime is 72183388886957. The next prime is 72183388887007. The reversal of 72183388887002 is 20078888338127.

It can be written as a sum of positive squares in 2 ways, for example, as 72102328533481 + 81060353521 = 8491309^2 + 284711^2 .

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 72183388887002.

It is not an unprimeable number, because it can be changed into a prime (72183388887007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194784983 + ... + 195155210.

Almost surely, 2^{72183388887002} is an apocalyptic number.

72183388887002 is a deficient number, since it is larger than the sum of its proper divisors (36092864541754).

72183388887002 is a wasteful number, since it uses less digits than its factorization.

72183388887002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390032752.

The product of its (nonzero) digits is 57802752, while the sum is 65.

The spelling of 72183388887002 in words is "seventy-two trillion, one hundred eighty-three billion, three hundred eighty-eight million, eight hundred eighty-seven thousand, two".