28687051106415 has 384 divisors, whose sum is σ = 58612559765760. Its totient is φ = 12927083839488.

The previous prime is 28687051106401. The next prime is 28687051106437. The reversal of 28687051106415 is 51460115078682.

28687051106415 is a `hidden beast` number, since 2 + 8 + 6 + 8 + 70 + 51 + 106 + 415 = 666.

It is not a de Polignac number, because 28687051106415 - 2¹² = 28687051102319 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 20018876539 + ... + 20018877971.

It is an arithmetic number, because the mean of its divisors is an integer number (152636874390).

Almost surely, 2^{28687051106415} is an apocalyptic number.

28687051106415 is an abundant number, since it is smaller than the sum of its proper divisors (29925508659345).

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

28687051106415 is a wasteful number, since it uses less digits than its factorization.

28687051106415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820 (or 1791 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The spelling of 28687051106415 in words is "twenty-eight trillion, six hundred eighty-seven billion, fifty-one million, one hundred six thousand, four hundred fifteen".