28058001465 has 16 divisors (see below), whose sum is σ = 48346095168. Its totient is φ = 13813169856.

The previous prime is 28058001437. The next prime is 28058001467. The reversal of 28058001465 is 56410085082.

It is a de Polignac number, because none of the positive numbers 2^k-28058001465 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (28058001467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71943399 + ... + 71943788.

It is an arithmetic number, because the mean of its divisors is an integer number (3021630948).

Almost surely, 2^28058001465 is an apocalyptic number.

It is an amenable number.

28058001465 is a deficient number, since it is larger than the sum of its proper divisors (20288093703).

28058001465 is a wasteful number, since it uses less digits than its factorization.

28058001465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143887208.

The product of its (nonzero) digits is 76800, while the sum is 39.

It can be divided in two parts, 2805800 and 1465, that added together give a triangular number (2807265 = T₂₃₆₉).

The spelling of 28058001465 in words is "twenty-eight billion, fifty-eight million, one thousand, four hundred sixty-five".