287084728134 has 48 divisors (see below), whose sum is σ = 625433342352. Its totient is φ = 95169613824.

The previous prime is 287084728103. The next prime is 287084728153. The reversal of 287084728134 is 431827480782.

287084728134 is a `hidden beast` number, since 28 + 70 + 8 + 472 + 81 + 3 + 4 = 666.

It is a super-2 number, since 2×287084728134² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13165989 + ... + 13187775.

It is an arithmetic number, because the mean of its divisors is an integer number (13029861299).

Almost surely, 2^287084728134 is an apocalyptic number.

287084728134 is an abundant number, since it is smaller than the sum of its proper divisors (338348614218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

287084728134 is a wasteful number, since it uses less digits than its factorization.

287084728134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25781 (or 25778 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 54.

The spelling of 287084728134 in words is "two hundred eighty-seven billion, eighty-four million, seven hundred twenty-eight thousand, one hundred thirty-four".