28907516414 has 64 divisors (see below), whose sum is σ = 53736794496. Its totient is φ = 11381121024.

The previous prime is 28907516413. The next prime is 28907516447. The reversal of 28907516414 is 41461570982.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28907516413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2479142 + ... + 2490774.

It is an arithmetic number, because the mean of its divisors is an integer number (839637414).

Almost surely, 2^28907516414 is an apocalyptic number.

28907516414 is a deficient number, since it is larger than the sum of its proper divisors (24829278082).

28907516414 is a wasteful number, since it uses less digits than its factorization.

28907516414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11909.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 28907516414 in words is "twenty-eight billion, nine hundred seven million, five hundred sixteen thousand, four hundred fourteen".