28516304326679 has 16 divisors (see below), whose sum is σ = 31779794430720. Its totient is φ = 25406287818240.

The previous prime is 28516304326667. The next prime is 28516304326691. The reversal of 28516304326679 is 97662340361582.

It is an interprime number because it is at equal distance from previous prime (28516304326667) and next prime (28516304326691).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28516304326679 is a prime.

It is a super-2 number, since 2×28516304326679² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28516304326649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11962727 + ... + 14147064.

It is an arithmetic number, because the mean of its divisors is an integer number (1986237151920).

It is a 1-persistent number, because it is pandigital, but 2⋅28516304326679 = 57032608653358 is not.

Almost surely, 2^{28516304326679} is an apocalyptic number.

28516304326679 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

28516304326679 is a deficient number, since it is larger than the sum of its proper divisors (3263490104041).

28516304326679 is a wasteful number, since it uses less digits than its factorization.

28516304326679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26112730.

The product of its (nonzero) digits is 78382080, while the sum is 62.

The spelling of 28516304326679 in words is "twenty-eight trillion, five hundred sixteen billion, three hundred four million, three hundred twenty-six thousand, six hundred seventy-nine".