28634086807 has 2 divisors, whose sum is σ = 28634086808. Its totient is φ = 28634086806.

The previous prime is 28634086763. The next prime is 28634086813. The reversal of 28634086807 is 70868043682.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28634086807 is a prime.

It is a super-2 number, since 2×28634086807² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28634086837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14317043403 + 14317043404.

It is an arithmetic number, because the mean of its divisors is an integer number (14317043404).

Almost surely, 2^28634086807 is an apocalyptic number.

28634086807 is a deficient number, since it is larger than the sum of its proper divisors (1).

28634086807 is an equidigital number, since it uses as much as digits as its factorization.

28634086807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 28634086807 in words is "twenty-eight billion, six hundred thirty-four million, eighty-six thousand, eight hundred seven".