28458069615 has 48 divisors (see below), whose sum is σ = 52361045568. Its totient is φ = 14248700928.

The previous prime is 28458069613. The next prime is 28458069643. The reversal of 28458069615 is 51696085482.

It is not a de Polignac number, because 28458069615 - 2¹ = 28458069613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28458069613) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 256854 + ... + 350556.

It is an arithmetic number, because the mean of its divisors is an integer number (1090855116).

Almost surely, 2^28458069615 is an apocalyptic number.

28458069615 is a deficient number, since it is larger than the sum of its proper divisors (23902975953).

28458069615 is a wasteful number, since it uses less digits than its factorization.

28458069615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94128 (or 94125 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 28458069615 in words is "twenty-eight billion, four hundred fifty-eight million, sixty-nine thousand, six hundred fifteen".