8997428027801 has 32 divisors (see below), whose sum is σ = 9210405335040. Its totient is φ = 8787414988800.

The previous prime is 8997428027789. The next prime is 8997428027881. The reversal of 8997428027801 is 1087208247998.

It is a cyclic number.

It is not a de Polignac number, because 8997428027801 - 2³⁴ = 8980248158617 is a prime.

It is a super-2 number, since 2×8997428027801² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8997428027881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3568990421 + ... + 3568992941.

It is an arithmetic number, because the mean of its divisors is an integer number (287825166720).

Almost surely, 2^{8997428027801} is an apocalyptic number.

It is an amenable number.

8997428027801 is a deficient number, since it is larger than the sum of its proper divisors (212977307239).

8997428027801 is a wasteful number, since it uses less digits than its factorization.

8997428027801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897.

The product of its (nonzero) digits is 32514048, while the sum is 65.

The spelling of 8997428027801 in words is "eight trillion, nine hundred ninety-seven billion, four hundred twenty-eight million, twenty-seven thousand, eight hundred one".