109020877728 has 72 divisors (see below), whose sum is σ = 332903051712. Its totient is φ = 31148820864.

The previous prime is 109020877711. The next prime is 109020877747. The reversal of 109020877728 is 827778020901.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11583400 + ... + 11592807.

It is an arithmetic number, because the mean of its divisors is an integer number (4623653496).

Almost surely, 2^109020877728 is an apocalyptic number.

It is an amenable number.

109020877728 is an abundant number, since it is smaller than the sum of its proper divisors (223882173984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109020877728 is a wasteful number, since it uses less digits than its factorization.

109020877728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23176234 (or 23176219 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 51.

The spelling of 109020877728 in words is "one hundred nine billion, twenty million, eight hundred seventy-seven thousand, seven hundred twenty-eight".