28058002555 has 32 divisors (see below), whose sum is σ = 37562381568. Its totient is φ = 19947772800.

The previous prime is 28058002549. The next prime is 28058002591. The reversal of 28058002555 is 55520085082.

It is a happy number.

It is not a de Polignac number, because 28058002555 - 2³ = 28058002547 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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, 521212 + ... + 572518.

It is an arithmetic number, because the mean of its divisors is an integer number (1173824424).

Almost surely, 2^28058002555 is an apocalyptic number.

28058002555 is a deficient number, since it is larger than the sum of its proper divisors (9504379013).

28058002555 is a wasteful number, since it uses less digits than its factorization.

28058002555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51547.

The product of its (nonzero) digits is 160000, while the sum is 40.

The spelling of 28058002555 in words is "twenty-eight billion, fifty-eight million, two thousand, five hundred fifty-five".