72882161880401 has 4 divisors (see below), whose sum is σ = 73406493980400. Its totient is φ = 72357829780404.

The previous prime is 72882161880391. The next prime is 72882161880421. The reversal of 72882161880401 is 10408816128827.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72882161880401 - 2⁴² = 68484115369297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72882161880421) 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, 262166049791 + ... + 262166050068.

It is an arithmetic number, because the mean of its divisors is an integer number (18351623495100).

Almost surely, 2^{72882161880401} is an apocalyptic number.

It is an amenable number.

72882161880401 is a deficient number, since it is larger than the sum of its proper divisors (524332099999).

72882161880401 is a wasteful number, since it uses less digits than its factorization.

72882161880401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524332099998.

The product of its (nonzero) digits is 2752512, while the sum is 56.

The spelling of 72882161880401 in words is "seventy-two trillion, eight hundred eighty-two billion, one hundred sixty-one million, eight hundred eighty thousand, four hundred one".