9009077572428 has 24 divisors (see below), whose sum is σ = 21026116829760. Its totient is φ = 3002320739280.

The previous prime is 9009077572337. The next prime is 9009077572463. The reversal of 9009077572428 is 8242757709009.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88086538 + ... + 88188753.

It is an arithmetic number, because the mean of its divisors is an integer number (876088201240).

Almost surely, 2^{9009077572428} is an apocalyptic number.

It is an amenable number.

9009077572428 is an abundant number, since it is smaller than the sum of its proper divisors (12017039257332).

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

9009077572428 is a wasteful number, since it uses less digits than its factorization.

9009077572428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176279557 (or 176279555 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 60.

The spelling of 9009077572428 in words is "nine trillion, nine billion, seventy-seven million, five hundred seventy-two thousand, four hundred twenty-eight".