72820886104 has 16 divisors (see below), whose sum is σ = 143725433400. Its totient is φ = 34494103872.

The previous prime is 72820886101. The next prime is 72820886119. The reversal of 72820886104 is 40168802827.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72820886101) 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, 239542237 + ... + 239542540.

Almost surely, 2^72820886104 is an apocalyptic number.

It is an amenable number.

72820886104 is a deficient number, since it is larger than the sum of its proper divisors (70904547296).

72820886104 is a wasteful number, since it uses less digits than its factorization.

72820886104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479084802 (or 479084798 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 46.

The spelling of 72820886104 in words is "seventy-two billion, eight hundred twenty million, eight hundred eighty-six thousand, one hundred four".