28832997545 has 32 divisors (see below), whose sum is σ = 39341113344. Its totient is φ = 20095876800.

The previous prime is 28832997527. The next prime is 28832997559. The reversal of 28832997545 is 54579923882.

It is not a de Polignac number, because 28832997545 - 2³² = 24538030249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93524 + ... + 257706.

It is an arithmetic number, because the mean of its divisors is an integer number (1229409792).

Almost surely, 2^28832997545 is an apocalyptic number.

It is an amenable number.

28832997545 is a deficient number, since it is larger than the sum of its proper divisors (10508115799).

28832997545 is a wasteful number, since it uses less digits than its factorization.

28832997545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164333.

The product of its digits is 43545600, while the sum is 62.

The spelling of 28832997545 in words is "twenty-eight billion, eight hundred thirty-two million, nine hundred ninety-seven thousand, five hundred forty-five".