28448734782087 has 80 divisors (see below), whose sum is σ = 42859889880192. Its totient is φ = 18804939912000.

The previous prime is 28448734782073. The next prime is 28448734782101. The reversal of 28448734782087 is 78028743784482.

28448734782087 is a `hidden beast` number, since 2 + 8 + 4 + 4 + 8 + 73 + 478 + 2 + 0 + 87 = 666.

It is an interprime number because it is at equal distance from previous prime (28448734782073) and next prime (28448734782101).

It is not a de Polignac number, because 28448734782087 - 2¹⁶ = 28448734716551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28448734782047) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5910808893 + ... + 5910813705.

Almost surely, 2^{28448734782087} is an apocalyptic number.

28448734782087 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

28448734782087 is a deficient number, since it is larger than the sum of its proper divisors (14411155098105).

28448734782087 is a wasteful number, since it uses less digits than its factorization.

28448734782087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330 (or 6321 counting only the distinct ones).

The product of its (nonzero) digits is 1078984704, while the sum is 72.

The spelling of 28448734782087 in words is "twenty-eight trillion, four hundred forty-eight billion, seven hundred thirty-four million, seven hundred eighty-two thousand, eighty-seven".